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	<title>Kaufmann Mercantile &#187; Materials</title>
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		<title>Titanium</title>
		<link>http://kaufmann-mercantile.com/titanium/</link>
		<comments>http://kaufmann-mercantile.com/titanium/#comments</comments>
		<pubDate>Thu, 08 Dec 2011 05:27:15 +0000</pubDate>
		<dc:creator>Daniel Lang</dc:creator>
				<category><![CDATA[Materials]]></category>

		<guid isPermaLink="false">http://kaufmann-mercantile.com/?p=8406</guid>
		<description><![CDATA[Conceived beneath the skies of the ancient world, the Titans were the incestual god-lineage of Zeus: gigantic creatures who bore names like Oceanus, Themis, Hyperion. The metals then known to man were those purest of elements, and it was some two millenia before titanium would be discovered and used. With an unmatched strength-to-weight ratio, low [...]]]></description>
			<content:encoded><![CDATA[<div id="attachment_8420" class="wp-caption alignnone" style="width: 610px"><a href="http://kaufmann-mercantile.com/images/titanium-sand.jpg"><img class="size-full wp-image-8420" title="titanium-sand" src="http://kaufmann-mercantile.com/images/titanium-sand.jpg" alt="Titanium deposits in sand in South Africa" width="600" height="398" /></a><p class="wp-caption-text">Like needles in a haystack. Titanium deposits in sand, Eastern Cape, South Africa. Photo by Niel Overey.</p></div>
<p style="text-align: justify;">Conceived  beneath the skies of the ancient world, the Titans were the incestual  god-lineage of Zeus: gigantic creatures who bore names like Oceanus,  Themis, Hyperion. The metals then known to man were those purest of  elements, and it was some two millenia before titanium would be  discovered and used.</p>
<p style="text-align: justify;">With  an unmatched strength-to-weight ratio, low thermal conductivity and a  tendency to be impervious to corrosion, titanium is indeed a metal of  mythical proportions, even to the point of being mythically difficult to  work with.</p>
<p style="text-align: justify;"><span id="more-8406"></span>Titanium  is what we use when we want to physically bond and repair the human  body, it is what the hulls and appendages of our deep sea vessels are  made of, it is the metal of engines that rocket our ships with ripping  heat into space. For many reasons it is considered nearly invincible,  much like the hulkish gods it was named for.</p>
<p style="text-align: justify;">First  culled forth from the black sands of the Helford River back in 1791 — a  veritable heyday for the discovery of elements — titanium was brought  to light by one man and named by another. Reverend, mineralogist and  chemist William Gregor knew there was something special about the black  magnetic sand he managed to isolate from the wet earth of the Menachan  Valley in Cornwall, England. With a magnet and hydrochloric acid he was  able to produce an impure oxide of the new element, though it would  never be known by the name he wanted it to have, mechanite.</p>
<div id="attachment_8412" class="wp-caption alignnone" style="width: 492px"><a href="http://kaufmann-mercantile.com/images/titanium-mine-1.jpg"><img class="size-full wp-image-8412" title="titanium-mine-1" src="http://kaufmann-mercantile.com/images/titanium-mine-1.jpg" alt="Titanium mine" width="482" height="700" /></a><p class="wp-caption-text">Titanium mine shrouded in smoke. </p></div>
<p style="text-align: justify;">Four  years later a Berlin chemist, Matthew Albert Klaproth, independently  isolated titanium oxide from chunks of dark Hungarian rutile. His was  the name that stuck, and rightly so. The Titans he conjured with this  new name were tough, but they were also condemned by their own father to  be held captive in the earth’s crust.</p>
<p style="text-align: justify;">Titanium  is the 9th most plentiful of all known elements. In terms of structural  metals, it’s the 4th most abundant (following only aluminum, iron and  magnesium). It is usually found in ileminite-rich mineral sands (from  the Ilmen mountains in Russia) or laced in the rutile of the beach sands  of Australia, India, Mexico. Workable deposits can also be readily  located in the U.S., Canada, South Africa, Sierra Leone, Ukraine,  Norway, Malaysia.</p>
<p style="text-align: justify;">Titanium  is highly resistant to corrosion — superior to metals like bronze,  brass, copper nickel, both stainless and carbon steel. It’s  strength-to-weight ratio is unmatched, having all the strength of steel  but less than half its weight. These are amazing properties and indeed,  titanium is often called a super metal. But its prevalence in the  earth’s crust begs the question: why are products made from titanium so few and far between?</p>
<p style="text-align: justify;">The  same properties that make titanium super strong, super light, and super  corrosion-resistant also happen to make it nearly impossible to work  with.</p>
<p style="text-align: justify;">FOOTBALL FIELDS AND JET PROPULSION</p>
<p style="text-align: justify;">Titanium  would not be isolated to 99.9% purity for well over 100 years after it  was discovered. Of all places, the element was finally rendered pure on a  football field. It makes sense when we consider that the football field  was at the Renssalear Polytechnic Institute in Troy, New York, and  located conveniently close to the labs.</p>
<p style="text-align: justify;">The  hero was a professor of electrical engineering and instead of a  football, his game involved a metal bomb. It would become known as the  Hunter Process — a dangerous, explosive method by which titanium  chloride is mixed with metallic sodium in an air-tight metal chamber and  heated to extremely high temperatures. It’s not entirely practical  because it doesn’t yield large quantities of the metal, but it is still  used today when titanium of ultra high purity is desired.</p>
<div id="attachment_8427" class="wp-caption alignnone" style="width: 486px"><a href="http://kaufmann-mercantile.com/images/william-justin-kroll-titanium.jpg"><img class="size-full wp-image-8427" title="william-justin-kroll-titanium" src="http://kaufmann-mercantile.com/images/william-justin-kroll-titanium.jpg" alt="William Justin Kroll unlocks titanium from the earth" width="476" height="556" /></a><p class="wp-caption-text">William Justin Kroll, the man who would unlock titanium from the earth. </p></div>
<p style="text-align: justify;">It  wasn’t until William Justin Kroll developed the Kroll Process in 1948  that titanium would finally be completely unlocked from the earth and  useable by man. In an elaborate chemical process full of painstaking  breakthroughs, Kroll used the key players of titanium tetrachloride and  magnesium. The Kroll Process is still widely used today, and it is what  sent the metal into the engines of aircrafts with breakneck speed.</p>
<p style="text-align: justify;">FEARLESS WARRIORS, POOR LAB PARTNERS</p>
<p style="text-align: justify;">Isolating  pure titanium is difficult but it is only one part of the grueling  process that is conforming this metal to one’s will. It then needs to be  bent, welded, machined, or molded, all of which are extremely difficult  due to the great tensile strength of the metal.</p>
<p style="text-align: justify;">The  low thermal conductivity, high tensile strength and resistance to  forces as corrosive as sea water make titanium one complicated workhorse  of a metal.</p>
<div id="attachment_8415" class="wp-caption alignnone" style="width: 542px"><a href="http://kaufmann-mercantile.com/images/titanium.jpg"><img class="size-full wp-image-8415" title="titanium" src="http://kaufmann-mercantile.com/images/titanium.jpg" alt="rod of titanium" width="532" height="292" /></a><p class="wp-caption-text">Titanium rod.</p></div>
<p style="text-align: justify;">Machining  it is particularly difficult. The metal is almost stubborn, too strong  to conform to another’s will. The low thermal conductivity often results  in machines wearing down because the heat they’re using is dissipated  by the low density metal. Titanium is so hard it’s likely to spring back  and away from the blade that’s supposed to be cutting it, and cutting  tools often need to be replaced. Large quantities of chemical fluid are  needed to cool it down from its 1600 degree melting point and turnings,  fines and chips are instantaneous fire starters. While being worked  with, it has a great tendency to fret and gall.</p>
<p style="text-align: justify;">Working  with titanium requires devotion to science and process. Respect for the  lustrous, authoritarian metal doesn’t hurt either — to say nothing of  admiration and patience.</p>
<p style="text-align: justify;">THE BODIES WE EXPLORE</p>
<p style="text-align: justify;">Lucky  for us all, the stubborn nature of the ore meets its match in the  determination of engineers and scientists, and today titanium is used on  nearly every front where its properties are needed, from leisure  activities to space exploration.</p>
<p style="text-align: justify;">We  even use it to rebuild ourselves, to hinge together what breaks down  over time in our bones and cartilage, small and large. Titanium screws  together bones. From the load-bearing joint of the hip to the  hardworking, ever-pumping valves of the heart, titanium is trusted to  hold up to the chloride brines and organic acids that comprise the pH of  the human body. It seems Adamantium — that indestructible, fictional  element used by Dr. Cornelius to fortify the skeleton of Marvel’s  Wolverine — may have found it’s inspiration in this amazingly  biocompatible metal.</p>
<div id="attachment_8414" class="wp-caption alignnone" style="width: 488px"><a href="http://kaufmann-mercantile.com/images/titanium-shoulder.jpg"><img class="size-full wp-image-8414" title="titanium-shoulder" src="http://kaufmann-mercantile.com/images/titanium-shoulder.jpg" alt="Titanium shoulder" width="478" height="637" /></a><p class="wp-caption-text">A biocompatible metal. </p></div>
<p style="text-align: justify;">The  low modulus — or stretch — of titanium, when paired with its superior  corrosion resistance and strength-to-weight ratio also make it the first  choice when it comes to exploring the unthinkable depths of the sea,  where nameless creatures amble and deadly pressure reigns. The high-tech  submersible, Alvin,  is being newly built with a hull of three inch-thick titanium that will  allow the vessel to reach depths of 4 miles deep, making all but 1% of  the ocean floor accessible to oceanographers.</p>
<p style="text-align: justify;">In  the realms of flight and space exploration, titanium allows for maximum  payload capability. With its low conductivity of heat and   high melting point, it is the ideal way to allow moving parts like  jet engine blades and gas turbines to function at the highest level of  efficiency.</p>
<p style="text-align: justify;">Though  the costly development of this super metal might be delayed because of  this Great Recession, we will be seeing titanium in more and  more elements of daily life, from bicycles to outdoor supplies, to  anything that needs to face the elements and hold its form without  rusting or breaking apart. From Frank Gehry’s Bilbao Guggenheim Museum  in Basque Country, Spain, to the ocean floor, to wedding bands and  bicycles and tools for the backyard, this mythic metal is found in  reaches far away, close, and dark — whether we talk about the  exploration of space or the beating of the human heart.</p>
<div id="attachment_8410" class="wp-caption alignnone" style="width: 527px"><a href="http://kaufmann-mercantile.com/images/gehry-bilbao.jpg"><img class="size-full wp-image-8410   " title="gehry-bilbao" src="http://kaufmann-mercantile.com/images/ghery-bilbao.jpg" alt="Titanium Guggenheim Museum in Bilbao by Frank Gehry" width="517" height="383" /></a><p class="wp-caption-text">Shimmering sheets of titanium plating the Guggenheim Museum in Bilbao, Spain. Designed by Frank Gehry.</p></div>


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<li><a href='http://kaufmann-mercantile.com/the-clock-of-the-long-now/' rel='bookmark' title='Permanent Link: The Clock of the Long Now'>The Clock of the Long Now</a> <small>In this ever-advancing modern era, where the mantra of the...</small></li>
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		<title>The Clock of the Long Now</title>
		<link>http://kaufmann-mercantile.com/the-clock-of-the-long-now/</link>
		<comments>http://kaufmann-mercantile.com/the-clock-of-the-long-now/#comments</comments>
		<pubDate>Fri, 24 Jun 2011 00:24:02 +0000</pubDate>
		<dc:creator>Jennifer S. Li</dc:creator>
				<category><![CDATA[Materials]]></category>

		<guid isPermaLink="false">http://kaufmann-mercantile.com/?p=7460</guid>
		<description><![CDATA[In this ever-advancing modern era, where the mantra of the zeitgeist is &#8220;better, faster, cheaper,&#8221; Danny Hillis — inventor of the supercomputer that instigated our current fast-paced society — beseeches us to slow down, twiddle our thumbs and smell the roses. Hillis has been working since 1996 on a monument-sized clock to be sited on [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;">In this ever-advancing modern era, where the mantra of the zeitgeist is &#8220;better, faster, cheaper,&#8221; Danny Hillis — inventor of the supercomputer that instigated our current fast-paced society — beseeches us to slow down, twiddle our thumbs and smell the roses. Hillis has been working since 1996 on a monument-sized clock to be sited on a limestone cliff in eastern Nevada, dubbed the <a title="10000 Year Clock" href="http://www.10000yearclock.net/learnmore.html" target="_blank">Clock of the Long Now</a>. This clock is nothing like your average wristwatch. The Clock of the Long Now will be large enough for visitors to walk around in and is designed to last 10,000 years — roughly the period in which humans enjoy a relatively constant climate and advancements in culture and technology. It will tick only once a year, bong once a century and cuckoo at the millennium, a pace Hillis hopes will inspire society to think in terms of decades, centuries and millennia, as opposed to the prevailing harried New York minute.</p>
<div id="attachment_7445" class="wp-caption alignnone" style="width: 652px"><a href="http://kaufmann-mercantile.com/images/supercomputer-danny-hillis-connections-machine-e1308872345971.jpg"><img class="size-full wp-image-7445" title="Danny Hillis at a supercomputer connections machine" src="http://kaufmann-mercantile.com/images/supercomputer-danny-hillis-connections-machine-e1308872345971.jpg" alt="Danny Hillis a supercomputer engineer at a connections machine" width="642" height="418" /></a><p class="wp-caption-text">A young Danny Hillis hard at work at his connections machine console. </p></div>
<p style="text-align: justify;"><span id="more-7460"></span>During the 1980s and 90s, Hillis developed and debuted the first &#8220;parallel&#8221; supercomputer, which efficiently processes hundreds to millions of pieces of information simultaneously, much in the same way the human mind works. This supercomputer, dubbed the Connection Machine, dramatically augmented the way that databases and computing systems work. Prior to Hillis&#8217;s invention, industries, markets and governments relied on &#8220;sequential&#8221; computers that slowly synthesized only one item at a time. It was truly an innovation for the ages; an invention that our very modern existence is hinged upon. The Connection Machine grew to such fame that it even made a cameo in Steve Speilberg&#8217;s <em>Jurassic Park</em> (1993) and today, <a title="Gallery of the Meanest and Lamest Supercomputers, Wired" href="http://www.wired.com/gadgetlab/2009/06/gallery-of-the-meanest-and-lamest-supercomputers/" target="_blank">most all supercomputers</a> are based on Hillis&#8217;s initial design<a href="http://www.wired.com/gadgetlab/2009/06/gallery-of-the-meanest-and-lamest-supercomputers/" target="_blank"></a>.</p>
<div id="attachment_7441" class="wp-caption alignnone" style="width: 610px"><a rel="attachment wp-att-7441" href="http://kaufmann-mercantile.com/clock-of-the-long-now/danny-hillis-supercomputer-clock-foundation/"><img class="size-medium wp-image-7441" title="Danny Hillis, Inventor of the Clock of the Long Now" src="http://kaufmann-mercantile.com/images/danny-hillis-supercomputer-clock-foundation-600x411.jpg" alt="A portrait of Danny Hillis who engineered super computers then conceptualized the Clock of the Long Now" width="600" height="411" /></a><p class="wp-caption-text">Danny Hillis, older and slower.</p></div>
<p style="text-align: justify;">But the constant demand for bigger, faster systems prompted Hillis to pause and think about the long-term consequences of the frenetic pace of the new epoch. In 1993, Hillis wrote a contemplative, thought-provoking email to friends that was eventually parlayed into a <a title="The Millennium Clock by Danny Hillis, Wired" href="http://www.wired.com/wired/scenarios/clock.html" target="_blank">1995 article</a> for Wired magazine. Hillis proposed that action be taken to slow down time for the sake of the fast-approaching future. Rallying his varied cast of friends, including musician Peter Gabriel, writer <a title="Stewart Brand, TED" href="http://www.ted.com/speakers/stewart_brand.html" target="_blank">Stewart Brand</a> and composer <a title="Drums Between the Bells, Brian Eno" href="http://brian-eno.net/drums-between-the-bells/" target="_blank">Brian Eno</a> (the chimes of the Clock of the Long Now inspired the album <em>January 07003 Bell Studies CD</em>) among others, Hillis conceived of the idea to build a monument-sized clock that would last an epic 10,000 years.</p>
<div id="attachment_7439" class="wp-caption alignnone" style="width: 438px"><a rel="attachment wp-att-7439" href="http://kaufmann-mercantile.com/clock-of-the-long-now/clock-of-long-now-foundation-hillis/"><img class="size-medium wp-image-7439 " title="A Prototype of the Clock of the Long Now" src="http://kaufmann-mercantile.com/images/clock-of-long-now-foundation-hillis-e1308872584748-428x600.jpg" alt="An early prototype of the clock of the long now, by Danny Hillis" width="428" height="600" /></a><p class="wp-caption-text">Prototype in miniature of what will be the Clock of the Long Now.</p></div>
<p style="text-align: justify;">What sounded like a work of science fiction or at least a pipe dream became a certain reality with the founding of the <a title="Foundation of the Long Now" href="http://longnow.org/" target="_blank">Long Now Foundation</a>, and the crucial financial backing of Jeff Bezos, CEO of Amazon.com; Mitchel Kapor, founder of Lotus software; Jay Walker, founder of Priceline.com, and his family; and Bill Joy, one of the founders of Sun Microsystems.</p>
<div>
<p style="text-align: justify;">It may seem contradictory that some of the biggest contributors to our current, technologically-aided, fast-paced way of life are seeking to slow things down, but as Long Now Foundation Executive Director Alexander Rose explains:</p>
<p style="text-align: justify;">“I would say that it is precisely this close relationship to accelerating aspects of our culture that sensitized our founding board and core funders to what we all miss if we don&#8217;t pay attention to the slower and deeper opportunities. The Clock project in particular is a response that Danny [Hillis] had to people constantly asking him to build ever-faster computers. It made him wonder what we were missing in the slow space.”</p>
<p style="text-align: justify;">In 1999, Hillis and his associates completed the first prototype of the Clock of the Long Now, a small-scale version currently on-view at the<a title="The London Science Museum" href="http://www.sciencemuseum.org.uk/objects/loans/L2000-4450.aspx" target="_blank"> London Science Museum</a>. The final monumental Clock will primarily be made of stainless steel, titanium and <a title="Monel, Lenntech" href="http://www.lenntech.com/monel.htm" target="_blank">Monel</a>, a mixed-metal alloy that was patented in 1906 and typically found in aerospace and submarine applications due to its high resistance to corrosion.</p>
<div id="attachment_7444" class="wp-caption alignnone" style="width: 610px"><a rel="attachment wp-att-7444" href="http://kaufmann-mercantile.com/clock-of-the-long-now/new-long-foundation-clock-exhibit/"><img class="size-medium wp-image-7444  " title="Prototypes of the Clock of the Long Now on exhibit" src="http://kaufmann-mercantile.com/images/new-long-foundation-clock-exhibit-e1308872299190-600x398.jpg" alt="Early prototypes of the Clock of the Long Now on exhibit." width="600" height="398" /></a><p class="wp-caption-text">Pieces and early prototypes of the Clock of the Long Now on exhibit at the Fort Mason Center in San Francisco, California. </p></div>
<p style="text-align: justify;">The ball bearings of the clock will be fabricated out of silicon nitride, a type of manufactured hard ceramic mass-marketed since the 1950s for moving car and space shuttle parts. In nature, <a title="Ceramic Bearings, Barden Bearings" href="http://www.bardenbearings.com/cd_ceram.htm" target="_blank">silicon nitride</a> is only found in miniscule amounts in fallen meteorites. It is extremely wear-resistant and does not require lubrication, making it ideal for the 10,000 year lifespan of the Clock of the Long Now.</p>
<div id="attachment_7440" class="wp-caption alignnone" style="width: 493px"><a rel="attachment wp-att-7440" href="http://kaufmann-mercantile.com/clock-of-the-long-now/clock-of-long-now-year-dial-2/"><img class="size-full wp-image-7440" title="Clock of the Long Now dial at the year 02000" src="http://kaufmann-mercantile.com/images/clock-of-long-now-year-dial1-e1308872494613.jpg" alt="The Clock of the Long Now showing the year 02000" width="483" height="490" /></a><p class="wp-caption-text">The year 02,000. Only 1/5 of the way to the year 10,000.</p></div>
<p style="text-align: justify;">As is fitting with the rationale for fostering future responsibility, the clock&#8217;s torsional pendulum will require periodic power through human winding. The accuracy of the clock will adjust with alignment to the sun.</p>
</div>
<p style="text-align: justify;">The team is now at work on the second prototype, implementing advanced-wear testing to simulate the conditions the parts will face over 10,000 years to ensure the movements and ball-bearings last into the future as projected. Plots of land have been purchased for the installation of two colossal clocks: the previously mentioned site in<a title="Clock sites, The Long Now Foundation" href="http://longnow.org/clock/clock-sites/" target="_blank"> eastern Nevada and the 2005 acquisition of land in Van Horn, Texas.</a></p>
<div id="attachment_7443" class="wp-caption alignnone" style="width: 505px"><a rel="attachment wp-att-7443" href="http://kaufmann-mercantile.com/clock-of-the-long-now/interior-clock-long-now-hillis-foundation/"><img class="size-full wp-image-7443 " title="Interior of the Clock of the Long Now" src="http://kaufmann-mercantile.com/images/interior-clock-long-now-hillis-foundation-e1308872392995.jpg" alt="Mecanical Moving Pieces of the interior of the Clock of the Long Now" width="495" height="478" /></a><p class="wp-caption-text">The weights and balances of the Long Now. Pieces that could very well outlast humanity. </p></div>
<p style="text-align: justify;">In addition to the consideration put into choosing the materials, the crux of the strategy for preserving the Clock for 10,000 years is to build most of the structure underground. Hillis cites a couple of long-lasting forerunners as prime examples: &#8220;The only way to survive over the long run is to be made of materials large and worthless, like Stonehenge<a href="http://sunearthday.nasa.gov/2005/locations/stonehenge.htm" target="_blank"></a> and the Pyramids, or to become lost.&#8221;</p>


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		<title>Pewter</title>
		<link>http://kaufmann-mercantile.com/pewter/</link>
		<comments>http://kaufmann-mercantile.com/pewter/#comments</comments>
		<pubDate>Sun, 08 May 2011 16:21:03 +0000</pubDate>
		<dc:creator>Aurora Almendral</dc:creator>
				<category><![CDATA[Materials]]></category>

		<guid isPermaLink="false">http://kaufmann-mercantile.com/?p=6991</guid>
		<description><![CDATA[When I was a kid, our flatware was made of silver, that prince of metals that my parents insisted we use, but that always gave certain dishes a sharp, unpleasant taste. Before dinner I’d inspect each spoon, fork and knife, switching mine for a less tarnished one. When it was finally time to eat, I’d [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;">When I was a kid, our flatware was made of silver, that prince of metals that my parents insisted we use, but that always gave certain dishes a sharp, unpleasant taste. Before dinner I’d inspect each spoon, fork and knife, switching mine for a less tarnished one. When it was finally time to eat, I’d drag my teeth over the metal, hoping this would minimize the acrid flavor from the metal.  And when I stared into a delicious bowl of soup, the dreaded silver spoon in hand, I wanted to be a poor man.</p>
<div id="attachment_6997" class="wp-caption alignnone" style="width: 610px"><a href="http://kaufmann-mercantile.com/images/worshipful-company-pewterer.jpg"><img class="size-medium wp-image-6997 " title="Pewter Guild Crest" src="http://kaufmann-mercantile.com/images/worshipful-company-pewterer-600x395.jpg" alt="Guild Crest of the Worshipful Company of Pewterers" width="600" height="395" /></a><p class="wp-caption-text">Crest of  the Worshipful Company of Pewterers in London, Livery Company, founded 1348</p></div>
<p style="text-align: justify;"><span id="more-6991"></span>Despite generations of heirloom silver sets, eating is when pewter most shines. Non-reactive, tarnish-free, and taste-less, it was used by the ancient Egyptians, prized by the Romans, and may have given Caesar cause to invade Britain, a land rich in the metals <a title="History of the Fellowship Foundry " href="http://www.fellowshipfoundry.com/history.html" target="_blank">essential to its production</a>. King Edward is said to have had over 300 dishes of the stuff — not a single one made of silver.</p>
<p style="text-align: justify;"><a href="http://kaufmann-mercantile.com/images/pewter-painting.jpg"><img class="alignnone size-medium wp-image-7000" title="Painting with Pewter Dishes" src="http://kaufmann-mercantile.com/images/pewter-painting-600x355.jpg" alt="Old Paitning that shows pewter plates and a pewter carafe" width="600" height="355" /></a></p>
<p style="text-align: justify;">Ironically, tin (the main constituent of pewter) is considered “<a title="Poor Metals" href="http://www.ourmetals.com/index.php?t=06&amp;c=england&amp;cat=5&amp;subcat=60&amp;mode=periodic_poor" target="_blank">poor</a>,” a term referring to the metals that sit in the corner of the periodic table that are soft and quick to melt. It is also considered by some to be “the poor man’s silver.” In truth, Tin is what gives pewter many of its beneficial attributes, making it a great alternative to silverware or earthenware. For this reason, pewter has also been called “the rich man’s ceramic.”</p>
<div id="attachment_7001" class="wp-caption alignnone" style="width: 433px"><a href="http://kaufmann-mercantile.com/images/pewter-manufacturing.jpg"><img class="size-full wp-image-7001" title="Making of Pewter" src="http://kaufmann-mercantile.com/images/pewter-manufacturing.jpg" alt="Making of a pewter Vase" width="423" height="530" /></a><p class="wp-caption-text">Louis Bernard working with Pewter, image via lempreintecoop.com</p></div>
<p style="text-align: justify;">Though this most valuable metal alloy has been used since ancient times, it took craftsmen centuries to get it right. Toughening up tin without compromising its food-worthiness required a pinch of this and a little of that. (I imagine cloaked men milling around a boiling cauldron of tin, pouring contents from unmarked packages until just right.) “This” and “that” happened to be copper, antimony, bismuth, and — in the days before people knew better — <a title="Lead Poisoning" href="http://en.wikipedia.org/wiki/Lead_poisoning" target="_blank">lead</a>. A high tin content meant a light alloy with a brighter finish but less strength. Considering it was more pleasant to sip ale out of a light shiny tankard than a dull one as heavy as pig-iron, craftsman continued searching for the perfect balance of strength and luster. The line for safe, high quality pewter was finally drawn at the 92% tin mark.</p>
<p style="text-align: justify;">CRAFTING QUALITY</p>
<p style="text-align: justify;">Those who could get their pewter to shine without having it crumple eventually formed craft guilds, strict organizations that acted as both educational institutions and regulatory agencies. Nuremburg, London, Limoges and Montpellier became important centers of pewter making as guilds in these cities carefully guarded their secrets. They trained apprentices and journeymen, allowing only the best to acquire the title of “master craftsman.” The rise to master, however, was tightly controlled — no one earned the title without the right letters, stamps and experience. The finished product was closely scrutinized, and only those that adhered to strict guild requirements received their own touchmarks, those embossed stamps which distinguished one craftsman’s work from another.</p>
<div id="attachment_7004" class="wp-caption alignnone" style="width: 545px"><a href="http://kaufmann-mercantile.com/images/pewter-touchmark.jpg"><img class="size-medium wp-image-7004 " title="pewter-touchmark" src="http://kaufmann-mercantile.com/images/pewter-touchmark-535x600.jpg" alt="Touchmark of a Pewter Cup" width="535" height="600" /></a><p class="wp-caption-text">Pewter Touchmark, image via antique-shop.com</p></div>
<p style="text-align: justify;">Just as apprenticeship was the equivalent to a college education, a touchmark was a craftsman’s brand. It also created a sense of accountability; if a piece wasn&#8217;t up to snuff, the buyer knew exactly where and who to complain to. Touchmarks also became marks of distinction. The crowned X, for example, indicated a high level of craftsmanship, while the date and initials of the reigning monarch proved it had passed inspection.</p>
<p style="text-align: justify;">In the 16th and 17th centuries, the demand for quality pewter increased dramatically, and guilds reached their height of production. Bright-eyed apprentices trained from four to six years, carving molds, pouring molten metals, and learning decorative techniques, while journeymen spread knowledge imparted by their village masters. For several generations guilds continued to supply taverns and homes alike with fine tableware. Consumers drank heartily from pewter mugs, poured thick gravy from pewter ladles over food served on pewter platters, and sipped soup from pewter bowls.</p>
<div id="attachment_7009" class="wp-caption alignnone" style="width: 460px"><a href="http://kaufmann-mercantile.com/images/pewter-mug.jpg"><img class="size-full wp-image-7009 " title="Antique Pewter Quart Measure " src="http://kaufmann-mercantile.com/images/pewter-mug.jpg" alt="Antique Pewter Measure" width="450" height="568" /></a><p class="wp-caption-text">18th Century pewter lidded quart measure, with fleur-de-lys hinge and scrolled thumbpiece, image via georgekidner.co.uk</p></div>
<p style="text-align: justify;">Inevitably, the industry was undermined by the very forces that regulated it. Innovation was stifled by the guild itself; the comfort of being in the bosom of a protected industry engendered laziness. Many craft guilds — including pewterers — lost the respect of the public as concern for quality fell dramatically. So irritating was this royalty-appointed system that revolutionaries the likes of Jean-Jacques Rousseau, Adam Smith and Karl Marx immortalized their names debunking it.</p>
<p style="text-align: justify;">Soon many protected craft trades, including the pewter trade, gave way to modern industrialized mechanization, electroplating, and the transition to <a title="Porcelain" href="http://kaufmann-mercantile.com/porcelain/" target="_blank">porcelain</a> and <a title="Stainless Steel" href="http://kaufmann-mercantile.com/stainless-steel/" target="_blank">steel</a> tableware. Faster production processes ultimately pushed the pewter industry into a specialty items category.</p>
<div id="attachment_7008" class="wp-caption alignnone" style="width: 610px"><a href="http://kaufmann-mercantile.com/images/pewter-tea-pot.jpg"><img class="size-medium wp-image-7008 " title="Pewter Tea Pot" src="http://kaufmann-mercantile.com/images/pewter-tea-pot-600x377.jpg" alt="Tea Pot made of Pewter" width="600" height="377" /></a><p class="wp-caption-text">Pewter Tea Pot, image via capesdunn.com</p></div>
<p style="text-align: justify;">Today, it’s much easier to find a ceramic bowl than a pewter one in your local store, but the metal maintains a strong following among collectors.  In more recent years, the gentleman’s flask has regained appreciation, and a lovely pewter plate is still a classy gift. Pewter pieces — once the durable and practical workhorse of the dinner table — may now just be tucked away for special occasions, but it’s still as strong, shiny and “taste-less” as ever.</p>
<div id="attachment_7010" class="wp-caption alignnone" style="width: 490px"><a href="http://kaufmann-mercantile.com/images/pewter-stein.jpg"><img class="size-medium wp-image-7010  " title="Germany Pewter Stein" src="http://kaufmann-mercantile.com/images/pewter-stein-480x600.jpg" alt="vintage German stein with pewter lid" width="480" height="600" /></a><p class="wp-caption-text">German Stein with pewter lid, &quot;A full stein is always my friend&quot;, image via garykirsnerauctions.com</p></div>
<p style="text-align: justify;">FURTHER READING</p>
<p style="text-align: justify;"><a title="The Worshipful Company of Pewterers" href="http://www.pewterers.org.uk/the_company/company_history.html" target="_blank">The Worshipful Company of Pewterers<br />
</a></p>


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</ul></p>]]></content:encoded>
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		<title>Exotic Leather</title>
		<link>http://kaufmann-mercantile.com/exotic-leather/</link>
		<comments>http://kaufmann-mercantile.com/exotic-leather/#comments</comments>
		<pubDate>Fri, 25 Jun 2010 03:59:44 +0000</pubDate>
		<dc:creator>Aurora Almendral</dc:creator>
				<category><![CDATA[Materials]]></category>

		<guid isPermaLink="false">http://kaufmann-mercantile.com/?p=5176</guid>
		<description><![CDATA[Python Escalades, electric blue crocodile pimp loafers, and ostrich jackets are the very embodiment of tackiness—luxury writ large and rendered tragically cheesy. Exotic skins, the tidy stripes of silky eel, the beautifully imperfect patterns of snake, and the smooth rectangular gradations of crocodile, were treasured for their uniqueness and rarity. Used sparingly on cigarette cases [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;">Python Escalades, electric blue crocodile pimp loafers, and ostrich jackets are the very embodiment of tackiness—luxury writ large and rendered tragically cheesy. Exotic skins, the tidy stripes of silky eel, the beautifully imperfect patterns of snake, and the smooth rectangular gradations of crocodile, were treasured for their uniqueness and rarity. Used sparingly on cigarette cases tucked into the inside pocket of a flannel suit jacket, or as a delicate clutch in a gloved hand, restraint itself underscored the preciousness of each skin.</p>
<div id="attachment_5334" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/crocodile-leather.jpg"><img class="size-medium wp-image-5334 " title="Crocodile" src="http://kaufmann-mercantile.com/images/crocodile-leather-531x375.jpg" alt="Crocodile Hunting for Leather. A dead Crocodile lies on deck of a ship" width="531" height="375" /></a><p class="wp-caption-text">Crocodile on Deck of a Steamer in Africa, Courtesy of Gordon Mumford (Click on Image to Enlarge)</p></div>
<p style="text-align: justify;">
<p style="text-align: justify;"><span id="more-5176"></span>Grabbing hungrily at the essence of exotic hides, rabid consumption has instead cheapened the unusual material, transforming it from a mark of quality and class to one of superficiality and vulgarity.</p>
<p style="text-align: justify;">Revered for centuries as a luxury item, the utility of exotic skins has been obscured by its role as signifier of wealth. While exotic skins may have been part of the trousseaux of ancient Egyptian royalty, strong, water resistant salmon leather was used by the <a title="&quot;There's Something Fishy about Nanai Leather&quot;" href="http://freestylemagazine.co.uk/blog/2009/10/29/theres-something-fishy-about-nanai-leather/" target="_blank">Nanai</a> of Siberia for at least three of the things necessary for survival in the frigid north—clothing, tents, and boats.</p>
<p style="text-align: justify;">Eel skin, prized for its thin and delicate feel, is far from flimsy. The tensile strength of eel is one hundred and fifty times greater than a cow leather of the same thickness. Crocodiles can lounge languidly on river banks and at the top of food chains in part because of the strength of their armor, a quality retained in the preserved hide. And in Medieval Japan, the handles of samurai swords were bound with the skin of stingrays. When preserved, the hide develops a coarse pattern of raised beads, perfect for keeping a tight grip on your sword, even when drenched in blood.</p>
<div id="attachment_5341" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/steamer-trunk.jpg"><img class="size-medium wp-image-5341 " title="Steamer Trunk" src="http://kaufmann-mercantile.com/images/steamer-trunk-531x382.jpg" alt="Brown Alligator Steamer Trunk" width="531" height="382" /></a><p class="wp-caption-text">Vintage Crocodile Trunk, Courtesy of 1stdibs</p></div>
<p style="text-align: justify;">
<p style="text-align: justify;">Closer to home, exotic skins were traditionally used for the items that were expected to endure time and use. The best steamer trunks, built to be knocked around in passenger ships and locomotives, were made of crocodile. The worn edges of a crocodile Hermes Kelly bag is testament to a time when an expensive object was meant to return dividends in longevity.</p>
<p style="text-align: justify;">
<div id="attachment_5336" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/hermes-vintage-kelly-bag.jpg"><img class="size-medium wp-image-5336" title="Kelly Bag" src="http://kaufmann-mercantile.com/images/hermes-vintage-kelly-bag-531x354.jpg" alt="Black Hermès Vintage Kelly Handbag" width="531" height="354" /></a><p class="wp-caption-text">Hermès Vintage Kelly Handbag, Courtesy of Portero</p></div>
<p style="text-align: justify;">The use of exotic skins, however, is more than just a matter of taking it back from the tawdry. A hundred years ago, consumers, producers and poachers operated with the mistaken notion that anything in nature existed in endless abundance, when in fact they were driving animals of land and sea to the verge of extinction.</p>
<div id="attachment_5337" class="wp-caption alignnone" style="width: 456px"><a href="http://kaufmann-mercantile.com/images/american-alligator.jpg"><img class="size-medium wp-image-5337 " title="Alligator" src="http://kaufmann-mercantile.com/images/american-alligator-446x590.jpg" alt="Two woman standing with a dead alligator" width="446" height="590" /></a><p class="wp-caption-text">Two Woman Posing with Stuffed Alligator in Florida, Circa 1910s, Courtesy of Florida Memory</p></div>
<p style="text-align: justify;">
<p style="text-align: justify;">Conservation and wildlife management have slowed humanity’s species death count, but consumers will have to take responsibility for our insatiable appetites, and perhaps bear the lessons of exotic skins in mind: buy few and far between, buy for quality and longevity, and be wary of the slippery slope between the beautiful and the grotesque.</p>
<p style="text-align: justify;">
<div id="attachment_5340" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/dead-alligator-hand.jpg"><img class="size-medium wp-image-5340  " title="Dead Alligator" src="http://kaufmann-mercantile.com/images/dead-alligator-hand-531x354.jpg" alt="The bloody hand of a dead alligator" width="531" height="354" /></a><p class="wp-caption-text">During the Alligator Hunting Season in Florida, Courtest of Life Magazine</p></div>
<p style="text-align: justify;">FURTHER READING:</p>
<p style="text-align: justify;"><a title="Fascination Leather" href="http://www.amazon.com/Fascination-Leather-Common-Exotic-Magnifying/dp/3899731743/ref=sr_1_1?ie=UTF8&amp;s=books&amp;qid=1277236548&amp;sr=1-1" target="_blank">K. Fuchs, M. Fuchs, and L. Deidrich. <em>Fascination Leather: Common and Exotic Skins Under the Microscope</em>. Editions Chimaira. April 2010. </a></p>


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		<title>Reclaimed Wood, Part I</title>
		<link>http://kaufmann-mercantile.com/reclaimed-wood-part-i/</link>
		<comments>http://kaufmann-mercantile.com/reclaimed-wood-part-i/#comments</comments>
		<pubDate>Mon, 17 May 2010 06:30:37 +0000</pubDate>
		<dc:creator>David Vega</dc:creator>
				<category><![CDATA[Materials]]></category>

		<guid isPermaLink="false">http://kaufmann-mercantile.com/?p=4723</guid>
		<description><![CDATA[When early American colonists begun penetrating the thick interior of the North American frontier, they discovered that the vast, untouched forests extended much deeper than previously imagined. About 1 billion acres of heavily wooded land stretched from the Atlantic to well past the Mississippi River and promised settlers a wealth of useful raw timber. Southern [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;">When early American colonists  begun penetrating the thick interior of the North American frontier,  they discovered that the vast, untouched forests extended much deeper  than previously imagined. About <a title="Old Growth Forests" href="http://www.plantbio.ohiou.edu/instruct/ecology/ogarticie/mccarthy.htm" target="_blank">1 billion acres of heavily wooded  land </a>stretched from the Atlantic to well past the Mississippi River and  promised settlers a wealth of useful raw timber.</p>
<div id="attachment_5033" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/kodachrome-wood-worker.jpg"><img class="size-medium wp-image-5033 " title="Forest Worker" src="http://kaufmann-mercantile.com/images/kodachrome-wood-worker-531x351.jpg" alt="Forest worker standing in front of redwood" width="531" height="351" /></a><p class="wp-caption-text">Lumber Worker in White Pines, Circa 1958, Courtesy of Sierra Nevada Logging Museum</p></div>
<p style="text-align: justify;">
<p style="text-align: justify;"><span id="more-4723"></span>Southern Longleaf Pine  or “Southern Steel” covered a wide crescent from South  Virginia to East Texas. Those more commercially minded individuals  immediately recognized the significance of this untapped natural  resource; used for shipbuilding, construction, and fuel, the trees of  the American forests offered a seemingly limitless natural wealth for the  taking.</p>
<p style="text-align: justify;">
<div id="attachment_5036" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/three-lumberjack.jpg"><img class="size-medium wp-image-5036  " title="Lumberjacks" src="http://kaufmann-mercantile.com/images/three-lumberjack-531x562.jpg" alt="Lumberjacks standing at a redwood tree" width="531" height="562" /></a><p class="wp-caption-text">Lumberjacks, Courtesy of Bacon Babble</p></div>
<p style="text-align: justify;">This natural wealth, it turned out, wasn’t so limitless. As the  population of the young country grew, so did the need for more land,  fuel, and building materials. Huge swaths of forest were cleared for  building and farm use. Logging operations and paper mills popped up  across the country, from the Atlantic Southeast to the Pacific  Northwest. Longleaf pine, in fact, dwindled to 3% of its original forest  area. By the end of the Civil War, agricultural and logging operations  had cleared about 30 percent of the original stands as the country  devoured more and more raw timber.</p>
<p style="text-align: justify;">
<div id="attachment_5064" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/steam-tractor.jpg"><img class="size-medium wp-image-5064" title="Steam Tractor" src="http://kaufmann-mercantile.com/images/steam-tractor-531x403.jpg" alt="Steam tractor shlepping lumber" width="531" height="403" /></a><p class="wp-caption-text">Steam Tracktor, Circa 1880, Courtesy of Sierra Nevada Logging Museum</p></div>
<p style="text-align: justify;">Part of the problem lay in the creation of new legislation that lacked  proper oversight. Although efforts such as the Timber and Stone Act of  1878 were meant to facilitate settlement by pioneers and their families,  provided the public with 160 acre plots of land along the coast of  Northern California, the logging industry took advantage of loopholes  and accumulated huge tracts of timberland. One such business, the  California Redwood Company, acquired tens of thousands of acres of  public lands in 1882, which originally had been allotted to families for  only $2.50 an acre. By the 1890s, these “cheap” redwood forests were no  longer in the public domain.  The country’s forests and its old-growth  wood had been taken for granted.</p>
<div id="attachment_5039" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/chopped-redwood.jpg"><img class="size-medium wp-image-5039" title="Redwood down" src="http://kaufmann-mercantile.com/images/chopped-redwood-531x407.jpg" alt="Men standing around gigantic chopped redwood tree" width="531" height="407" /></a><p class="wp-caption-text">&quot;A California Sequoia Gigantea Log&quot;, 1901, Courtesy of Cathedral Grove</p></div>
<p style="text-align: justify;">
<p style="text-align: justify;">Many worried that America would experience a &#8220;national famine of wood&#8221;  by the 20th century and began demanding that the federal government  begin strict conservation measures. At the end of the 19th century it  began answering these calls; <a title="Sierra Club Forest History" href="http://www.sierraclub.org/planet/199706/history.asp" target="_blank">President Benjamin Harrison signed the  Forest Reserve Act of 1891</a>, the first such act that would inspire a  series of conservation efforts by government to begin drawing boundaries  around the old forests.</p>
<p style="text-align: justify;">Increased efforts, combined with a decrease in the need for farmland,  finally began to slow the consumption of old-growth wooded areas.  Organizations like the Sierra Club and the National Geographic Society  put considerable pressure on government to create a system of national  parks aimed at slowing the degradation of old-growth forests. (By 1920,  forest acreage stopped declining, and it has remained relatively stable  ever since). Since then, efforts to plant new trees have replaced  harvesting old-growth. Modern reforestation efforts include several  varieties of pine (a wood used mostly for construction and papermaking).  But where would industry turn to when many still demanded durable, high  quality material that wouldn’t cause further deforestation?</p>
<p style="text-align: justify;"><a href="http://kaufmann-mercantile.com/images/vintage-wood-barn.jpg"><img class="alignnone size-medium wp-image-5121" title="Barn" src="http://kaufmann-mercantile.com/images/vintage-wood-barn-531x362.jpg" alt="Creek with a vintage barn" width="531" height="362" /></a></p>
<div id="attachment_5043" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/lumber-train-jard.jpg"><img class="size-medium wp-image-5043" title="Train yard" src="http://kaufmann-mercantile.com/images/lumber-train-jard-531x397.jpg" alt="Tran yard with trains loading lumber" width="531" height="397" /></a><p class="wp-caption-text">Santa Fe R.R. Tie Plant, 1943, Courtest of Shorpy</p></div>
<p style="text-align: justify;">
<p style="text-align: justify;">FURTHER READING:</p>
<p style="text-align: justify;"><a title="Field Guide to Ancient Forest Ecosystems" href="http://www.amazon.com/Field-Guide-Old-Growth-Forests-Ecosystems/dp/157061234X" target="_blank">Larry Eifert. <em>Field Guide to Old-Growth Forests: Exploring Ancient Forest Ecosystems from California to the Pacific Northwest</em>, Sasquatch Books, 2000.<em> </em></a></p>


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		<title>Teak Wood</title>
		<link>http://kaufmann-mercantile.com/teak-wood/</link>
		<comments>http://kaufmann-mercantile.com/teak-wood/#comments</comments>
		<pubDate>Tue, 30 Mar 2010 23:10:15 +0000</pubDate>
		<dc:creator>Allen C. Thayer</dc:creator>
				<category><![CDATA[Materials]]></category>

		<guid isPermaLink="false">http://kaufmann-mercantile.com/?p=4154</guid>
		<description><![CDATA[Scandinavian Modern furniture is often associated with teak, the ultra-durable hardwood from Southeast Asia. Before their discovery of teak, Scandinavian furniture designers used softer woods, like pine, which is native to the region. Teak is considered by many to be an ideal material for furniture because it&#8217;s one of the strongest woods, and at the [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;">Scandinavian Modern furniture is often associated with teak, the ultra-durable hardwood from Southeast Asia. Before their discovery of teak, Scandinavian furniture designers used softer woods, like pine, which is native to the region. Teak is considered by many to be an ideal material for furniture because it&#8217;s one of the strongest woods, and at the same time relatively light. Its inherent color and oil gives it a soft, natural sheen, which mirrors the Modern emphasis on truth to materials and functionality.</p>
<div id="attachment_4320" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/teak-harvest.jpg"><img class="size-medium wp-image-4320" title="Teak Piling" src="http://kaufmann-mercantile.com/images/teak-harvest-531x465.jpg" alt="" width="531" height="465" /></a><p class="wp-caption-text">Elephants Piling Teak, Burma, Courtesy of the University of Glasgow</p></div>
<p style="text-align: justify;">
<p style="text-align: justify;"><span id="more-4154"></span>With the technological innovations of synthetic quick-drying glue and bent plywood, Scandinavian designers created beautifully simple pieces that revolutionized furniture design. Unlike their German modernist counterparts in the Bauhaus movement, Scandinavian designers never warmed to widespread use of metal, perhaps because it lacked &#8220;hygge&#8221; or &#8220;fika&#8221; the Scandinavian concept loosely translated as &#8216;coziness&#8217;.</p>
<div id="attachment_4321" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/teak-furniture.jpg"><img class="size-medium wp-image-4321  " title="Teak Bookshelf" src="http://kaufmann-mercantile.com/images/teak-furniture-531x531.jpg" alt="" width="531" height="531" /></a><p class="wp-caption-text">Teak Bookshelf, Designed by Finn Juhl, 1950, Courtesy of frankandoliver</p></div>
<p style="text-align: justify;">
<p style="text-align: justify;"><a href="http://kaufmann-mercantile.com/images/teak-bookshelf.jpg"><img class="alignnone size-medium wp-image-4378" title="Bookself" src="http://kaufmann-mercantile.com/images/teak-bookshelf-531x394.jpg" alt="" width="531" height="394" /></a></p>
<p style="text-align: justify;">NOT JUST MID-CENTURY DANISH</p>
<p style="text-align: justify;">Americans commonly refer to Scandinavian modern as &#8216;mid-century Danish&#8217;. In fact the origins of this design aesthetic are wider than the tiny peninsula nation and have their roots much early in the 20th century. The Finnish architect Alvar Aalto, who began designing in the 1920s is often called the &#8220;Father of Scandinavian Modern&#8221;. The confabulation of the two terms can be attributed to the fact that Danish designers were the most prolific and the most reliant on teak. Denmark was also the chief European importer of teak in the 1950s.</p>
<div id="attachment_4322" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/grete-jalk.jpg"><img class="size-medium wp-image-4322 " title="Grete Jalk" src="http://kaufmann-mercantile.com/images/grete-jalk-531x347.jpg" alt="" width="531" height="347" /></a><p class="wp-caption-text">Grete Jalk (1920-), Courtesy of Danish Furniture Designs</p></div>
<p style="text-align: justify;">The many Danish designers who used teak include Grete Jalk, one of the movement&#8217;s only female designers and Kay Bojesen, who made teak bowls, teak toys and teak children&#8217;s furniture.  Finn Juhl, often attributed with bringing Scandinavian style to the masses in America, is famous for his teak furniture.</p>
<div id="attachment_4323" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/bojesen-elephant.jpg"><img class="size-medium wp-image-4323 " title="Teak Elephant" src="http://kaufmann-mercantile.com/images/bojesen-elephant-531x515.jpg" alt="Designed by Kay Bojesen" width="531" height="515" /></a><p class="wp-caption-text">Teak Elephant, Circa 1951, Designed by Kay Bojesen, Courtesy of Modcats</p></div>
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<p style="text-align: justify;">
<p style="text-align: justify;">Scandinavian designers witnessed a tremendous response to their work at the 1939-1940 New York World&#8217;s Fair &#8211; so much so that American furniture manufacturers<a title="Danish Modern Furniture blog" href="http://www.jetsetmodern.com/danish.htm" target="_blank"> fell over themselves recreating these designs.</a> The post-war American public was ravenous for modern home furnishings. American manufacturers were keen to emphasize their designs &#8220;authenticity&#8221; and often worked with Scandinavian designers.</p>
<p style="text-align: justify;">
<div id="attachment_4324" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/sam-maloof.jpg"><img class="size-medium wp-image-4324  " title="Sam Maloof" src="http://kaufmann-mercantile.com/images/sam-maloof-531x379.jpg" alt="" width="531" height="379" /></a><p class="wp-caption-text">Sam Maloof with his Family, 1953, Courtesy of The Furniture Of Sam Maloof</p></div>
<p style="text-align: justify;">The American designer Sam Maloof was also fond of using teak. Although he was often branded a <a title="Guardian Obituary: Sam Maloof" href="http://www.guardian.co.uk/artanddesign/2009/jun/01/sam-maloof-obituary-furniture-maker" target="_blank">modernist</a>, he considered himself a woodworker first and foremost. When he was approached by industrial designer, Henry Dreyfuss, who wanted to manufacture a line of his furniture, Maloof refused.  He made every piece by hand, with the help of three assistants.</p>
<div id="attachment_4325" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/teak-mid-century-chair.jpg"><img class="size-medium wp-image-4325" title="Teak Chair" src="http://kaufmann-mercantile.com/images/teak-mid-century-chair-531x489.jpg" alt="" width="531" height="489" /></a><p class="wp-caption-text">Teak Armchair, Designed by Finn Juhl, 1945, Courtesy of frankandoliver</p></div>
<p style="text-align: justify;">
<p style="text-align: justify;"><a href="http://kaufmann-mercantile.com/images/teak-chair-armrest.jpg"><img class="alignnone size-medium wp-image-4326" title="Teak Armrest" src="http://kaufmann-mercantile.com/images/teak-chair-armrest-531x354.jpg" alt="" width="531" height="354" /></a></p>
<p style="text-align: justify;">TEAKâ€™S ORIGINS</p>
<p style="text-align: justify;">A genus of tropical hardwood tree, teak is native to south and southeast Asia, particularly in Burma, Thailand and Indonesia. Like many natural materials, the current teak supply is tangled in environmental issues and political upheaval. If purchasing new teak, be sure to understand the <a title="&quot;Teak is Torture&quot;" href="http://forests.org/archive/asia/teakweek.htm" target="_blank">complex issues </a>surrounding its harvest, particularly Burma, where human rights groups have accused the military junta of forced labor, and other violations, leading Burmese dissidents to start a &#8216;Teak is Torture&#8217; campaign.</p>
<div id="attachment_4327" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/teak-trunk.jpg"><img class="size-medium wp-image-4327" title="Teak Trunk" src="http://kaufmann-mercantile.com/images/teak-trunk-531x472.jpg" alt="" width="531" height="472" /></a><p class="wp-caption-text">Teak Trunk, Courtesy of Tectomec</p></div>
<p style="text-align: justify;">As there is only a very limited supply of sustainably harvested teak, there is even more reason to seek out these vintage pieces &#8211; furniture with classic style made from an incredibly durable material. Teak will not warp in cold or heat, is resistant to rot and impervious to infestation &#8211; it can remain outdoors for up to 10 years with no damage. Teak turns an ash grey color when exposed to the elements but with a little bit of wood oil its lustrous hue returns immediately.</p>
<div id="attachment_4377" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/finn-juhl.jpg"><img class="size-medium wp-image-4377 " title="Finn Juhl" src="http://kaufmann-mercantile.com/images/finn-juhl-531x327.jpg" alt="" width="531" height="327" /></a><p class="wp-caption-text">Finn Juhl (1912-1989)</p></div>
<p style="text-align: justify;">FURTHER READING:</p>
<p style="text-align: justify;"><a title="Scandinavian Modern" href="http://www.artsmia.org/Modernism/e_SM.html" target="_blank">David Ryan. &#8216;Essay: Scandinavian Moderne 1900 &#8211; 1960&#8242;, Minneapolis Institute of Arts, 1998. </a></p>
<p style="text-align: justify;"><a title="Danish Modern Furniture blog" href="http://http://danishmodernfurniture.org/know-what-to-look-for-at-danish-modern-furniture-stores.html" target="_blank">What to Look for at Danish Modern Furniture Stores</a></p>
<p style="text-align: justify;"><a title="Sam Maloof: Woodworker" href="http://books.google.com/books?id=FMYjr5el0kMC&amp;printsec=frontcover&amp;dq=sam+maloof&amp;hl=fr&amp;cd=1#v=onepage&amp;q=&amp;f=false" target="_blank">Sam Maloof.  <em>Sam Maloof: Woodworker</em>, Kodansha International, 1989.</a></p>


<p>You may also like<ul><li><a href='http://kaufmann-mercantile.com/reclaimed-wood-part-i/' rel='bookmark' title='Permanent Link: Reclaimed Wood, Part I'>Reclaimed Wood, Part I</a> <small>When early American colonists begun penetrating the thick interior of...</small></li>
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</ul></p>]]></content:encoded>
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		<title>Mother Of Pearl</title>
		<link>http://kaufmann-mercantile.com/mother-of-pearl/</link>
		<comments>http://kaufmann-mercantile.com/mother-of-pearl/#comments</comments>
		<pubDate>Wed, 03 Mar 2010 07:50:18 +0000</pubDate>
		<dc:creator>Aurora Almendral</dc:creator>
				<category><![CDATA[Materials]]></category>

		<guid isPermaLink="false">http://kaufmann-mercantile.com/?p=3750</guid>
		<description><![CDATA[Unlike its flashier progeny, mother of pearl is more than an accessory to a favorite pastel sweater set. As masculine as the grips on Wyatt Earp&#8217;s spinning six-shooters, and as feminine as the posy holder dangling from Queen Victoria&#8217;s tiniest finger, mother of pearl&#8217;s subtle elegance was valued for adornments and accouterments, and lent weight, [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;">Unlike its flashier progeny, mother of pearl is more than an accessory to a favorite pastel sweater set. As masculine as the grips on <a title="Wyatt Earp's Mother Of Pearl Gun" href="http://www.worldcollectorsnet.com/news/newstories/news693.html" target="_blank">Wyatt Earp&#8217;s spinning six-shooters</a>, and as feminine as the posy holder dangling from Queen Victoria&#8217;s tiniest finger, mother of pearl&#8217;s subtle elegance was valued for adornments and accouterments, and lent weight, permanence and beauty to the everyday objects now molded out of disposable plastics.</p>
<p style="text-align: justify;">&nbsp;</p>
<div id="attachment_3794" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/mother-of-pearl-revolver.jpg"><img class="size-medium wp-image-3794" title="Vintage Mother Of Pearl Revolver" src="http://kaufmann-mercantile.com/images/mother-of-pearl-revolver-531x358.jpg" alt="Gustave Young Engraved Navy Percussion Revolver with Mother of Pearl Handle, 1851" width="531" height="358" /></a><p class="wp-caption-text">Gustave Young Engraved Navy Percussion Revolver with Mother of Pearl Handle, 1851</p></div>
<p style="text-align: justify;">&nbsp;</p>
<p style="text-align: justify;"><span id="more-3750"></span></p>
<p style="text-align: justify;">The luminescent inner lining of seashells, mother of pearl looks as delicate as an ebbing spot of sunlight on the surface of the ocean. But fragile it is not. Mother of pearl is strong without being brittle and according to physics professor Pupa Gilbert, &#8220;<a title="Mother Of Pearl Strength" href="http://www.ccnmag.com/article/mother-of-pearl_classic_beauty_and_remarkable_strength" target="_blank">You can go over it with a truck and not break it</a>.&#8221; Nacre, the substance secreted by mollusks to create both pearls and mother of pearl, is mostly humble calcium carbonate — the stuff of eggshells and antacid tablets. Mother of pearl&#8217;s incredible resilience comes from thin layers of an organic lubricating substance, a molecular mortar to the bricks of calcium that redistributes force and makes nacre much, much stronger than the sum of its parts. As a natural material, mother of pearl has an eternal quality that modern science strives towards, and <a title="Trying To Replicate Mother Of Pearl" href="http://www.newscientist.com/article/dn12736-motherofpearl-inspires-superstrong-plastic.html" target="_blank">consumer plastics cannot even begin to replicate</a>.</p>
<div id="attachment_3770" class="wp-caption alignnone" style="width: 500px"><a href="http://kaufmann-mercantile.com/images/mother-of-pearl-shell.jpg"><img class="size-medium wp-image-3770" title="Mother Of Pearl Shell" src="http://kaufmann-mercantile.com/images/mother-of-pearl-shell-531x463.jpg" alt="Mother Of Pearl Shell" width="490" height="420" /></a><p class="wp-caption-text">Photo by Tom Meijer</p></div>
<p style="text-align: justify;">Mother of pearl, imported to Victorian England from the Pacific and Indian oceans in great mahogany crates, would be unpacked, inspected for quality, and auctioned to the over two thousand factories and artisans who would polish, cut and bevel the shells into the fineries that distinguished the Victorian gentleman or woman. Mother of pearl, cut as peonies were inlayed into tea tables, formed into <a title="Mother Of Pearl Pocket Knife" href="http://kaufmann-mercantile.com/mother-of-pearl-pocket-knife/" target="_blank">gentlemen&#8217;s knives</a>, or carved into elaborate filigree for brooches, as well as the aforementioned posy holders — miniature vases fitted with fragrant bouquets that ladies of Victoria&#8217;s era carried as practical yet decorative charms to ward off the smells of a time before widespread bathing.</p>
<p style="text-align: justify;">THE WILD, PEARLY WEST</p>
<p style="text-align: justify;">During this same period, mother of pearl was beloved by the gentlemen outlaws of the wild American frontier. Wyatt Earp, the legendary lawman of the West, would likely have maintained that glorious mustache with a straight razor set into a mother of pearl handle. And when he reached into his holster, it would be the cool iridescent shell that would greet his palm. Highwayman Bob Dalton was said to have special-ordered a set of pistols with mother of pearl grips for a spectacular double bank heist in his hometown of Coffeyville, Kansas in 1892. Despite being handsomely appointed, the robbery ended in disaster when vigilante townspeople killed Dalton and his entire gang.</p>
<p style="text-align: justify;">&nbsp;</p>
<div id="attachment_3760" class="wp-caption alignnone" style="width: 405px"><a href="http://kaufmann-mercantile.com/images/wyatt-earp.jpg"><img class="size-medium wp-image-3760  " title="W. Earp" src="http://kaufmann-mercantile.com/images/wyatt-earp-430x590.jpg" alt="Wyatt Earp" width="395" height="540" /></a><p class="wp-caption-text">Wyatt Earp (1848 - 1929), courtesy of the Craigs Fout Collection</p></div>
<p style="text-align: justify;">Mother of pearl&#8217;s less nefarious incarnation as buttons is the classic tale of beauty and quality falling victim to ever-cheaper industrial production. In the mid-nineteenth century, from the moment the box of shells arrived at the factory floor to the moment when a finely engraved, skillfully shanked button was tacked onto a piece of bright blue card, the precious item would have passed through no less then eight specialized pairs of hands (albeit some of them uncomfortably young and small).</p>
<p style="text-align: justify;">&nbsp;</p>
<div id="attachment_3778" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/mother-of-pearl-buttons.jpg"><img class="size-medium wp-image-3778 " title="Mother Of Pearl Buttons" src="http://kaufmann-mercantile.com/images/mother-of-pearl-buttons-531x425.jpg" alt="Lady Washington and Schwanda Buttons" width="531" height="425" /></a><p class="wp-caption-text">Buttons by Lady Washington Pearls and B. Schwanda &amp; Sons</p></div>
<p style="text-align: justify;">In the late 1800s, American mother of pearl buttons accounted for nearly half of the total world output of button manufacture, sourced from China, Australia, Ceylon, and the South Seas, as well as abalone from California and freshwater shells from the Mississippi. They were carved into elegant buttons that were beautiful and cherished, reflecting a respect for things that came before two-thirds of the world&#8217;s buttons were produced in a single city in China, and one&#8217;s plastic cuff buttons cracked in half before a fine shirt wore out.</p>
<p style="text-align: justify;">&nbsp;</p>
<div id="attachment_3775" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/pearly-kings.jpg"><img class="size-medium wp-image-3775 " title="Pearly Kings" src="http://kaufmann-mercantile.com/images/pearly-kings-531x341.jpg" alt="Two British Pearly Kings Wearing Their Traditional Suits" width="531" height="341" /></a><p class="wp-caption-text">Two British Pearly Kings in Traditional Suits, courtesy of Pearly King of Peckham</p></div>
<p style="text-align: justify;">By the 1960s, B. Schwanda &amp; Sons of New York, one of the leading pearl-button firms in America, was caught squarely in the crosshairs of the cheap, plastic future. The directors of the company remained loyal to the beauty and quality of pearl buttons, and refused to succumb to the economic pressures driving other button makers to turn to plastic. As a result, the company went bankrupt and liquidated in 1969, and we marched another step forward to the fate of our own making.</p>
<p style="text-align: justify;">FURTHER READING:</p>
<p style="text-align: justify;"><a title="What Really Happened on October 5, 1892" href="http://openlibrary.org/b/OL11776910M/What_Really_Happened_on_October_5_1892" target="_blank">Lue Diver Barndollar. <em>What Really Happened on October 5, 1892: An Attempt at an Accurate Account of the Dalton Gang and Coffeyville</em>, Coffeyville Historical Society, 2001.</a></p>


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		<title>The Power Of Gold</title>
		<link>http://kaufmann-mercantile.com/the-power-of-gold/</link>
		<comments>http://kaufmann-mercantile.com/the-power-of-gold/#comments</comments>
		<pubDate>Tue, 02 Mar 2010 10:17:49 +0000</pubDate>
		<dc:creator>Matt Poitras</dc:creator>
				<category><![CDATA[Materials]]></category>

		<guid isPermaLink="false">http://kaufmann-mercantile.com/?p=3658</guid>
		<description><![CDATA[Let&#8217;s sidestep all the financial and psychological aspects of gold for a moment and just admire it for what it is. A freakishly beautiful material. Although this might seem obvious, it is not as universally accepted as one might think. The Gold Coast natives of Timbuktu believed that their heaping surplus of gold was actually [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;">Let&#8217;s sidestep all the financial and psychological aspects of gold for a moment and just admire it for what it is. A freakishly beautiful material. Although this might seem obvious, it is not as universally accepted as one might think. The Gold Coast natives of Timbuktu believed that their heaping surplus of gold was actually only worth its weight in salt, and traded it accordingly.</p>
<p style="text-align: justify;">
<div id="attachment_3728" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/gold-bar.jpg"><img class="size-medium wp-image-3728" title="1 Kilo Gold Bar" src="http://kaufmann-mercantile.com/images/gold-bar-531x321.jpg" alt="32.15 Ounces of .9999 Fine Gold (24k), Today's Value: $ 35,898" width="531" height="321" /></a><p class="wp-caption-text">32.15 Ounces of .9999 Fine Gold (24k), Today&#39;s Value: $ 35,898</p></div>
<p style="text-align: justify;">
<p style="text-align: justify;"><span id="more-3658"></span>So exactly what is it about gold, outside of its relative monetization, that holds such sway over us? It&#8217;s simple really. Gold is magic in its most tactile state.</p>
<p style="text-align: justify;">
<div id="attachment_3715" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/gold-miners.jpg"><img class="size-medium wp-image-3715  " title="Searching For Gold" src="http://kaufmann-mercantile.com/images/gold-miners-531x381.jpg" alt="Gold Miners" width="531" height="381" /></a><p class="wp-caption-text">Gold Panning, 1918</p></div>
<p style="text-align: justify;">Useless as a metal for most practical purposes, gold has always been more endemic to creative pursuits and abstract principles. After being minted and used as coins by the Lydians in 635 BC, it eventually proved to be the touchstone that helped define our current model of fiat currency. It still hedges any hiccups our burgeoning new economy may suffer, but this is nothing compared to the effect it has had on the collective imagination of mankind.</p>
<p style="text-align: justify;">
<div id="attachment_3725" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/ancient-coin.jpg"><img class="size-medium wp-image-3725   " title="ancient-coin" src="http://kaufmann-mercantile.com/images/ancient-coin-531x423.jpg" alt="Lyidan 'State', (One of the) World's First Coins, Circa 600 BC, Courtesy of Money Museum" width="531" height="423" /></a><p class="wp-caption-text">Lyidan &#39;Gold Stater&#39;, One of the World&#39;s First Coin&#39;s, Courtesy of Money Museum</p></div>
<p style="text-align: justify;">
<p style="text-align: justify;">In hermetic mysticism, as well as the basic Italian tarot, gold coins represent the best things this earthly plane has to offer (distinct from the planes of intellect, compassion and intuition). In the Bible it was Jehovah&#8217;s material of choice for his first tabernacle: &#8220;Though shalt overlay it with pure gold,&#8221; He instructs Moses on Mount Sinai, &#8220;within and without shalt though overlay it, and shalt make upon it a crown of gold round about.&#8221; Even Columbus&#8217; trip to the Americas was primarily a gold prospect in order to buy back the Holy Sepulchre from the Muslims. Allah seems to like a little bling-bling himself.</p>
<p style="text-align: justify;">
<div id="attachment_3748" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/faberge-egg.jpg"><img class="size-medium wp-image-3748  " title="Golden FabergÃ© Egg" src="http://kaufmann-mercantile.com/images/faberge-egg-531x558.jpg" alt="FabergÃ© Egg" width="531" height="558" /></a><p class="wp-caption-text">FabergÃ© Egg &#39;Romanov Tercentenary&#39;, 1913</p></div>
<p style="text-align: justify;">
<p style="text-align: justify;">
<p style="text-align: justify;">As the metal of the muses, nothing sings more in the hands of a gifted artist. More than any other medium, its physical properties seem to dictate the content of the work produced. Soft, lustrous and gleaming, the character of goldwork always seems to lean toward the glorious. Indeed the <a title="House of Fabergé" href="http://en.wikipedia.org/wiki/House_of_Faberg%C3%A9" target="_blank">House of Fabergé</a> was primarily a house of goldsmiths. Even scampish young British artists forgo their usual fecal forms and vivisected invective when they get their hands on a chunk. In 2008, the British artist Marc Quinn veered away from his usual grotesque fare when given the opportunity to work with £1.5 million worth of solid gold, opting instead to make the most beautiful thing possible: Kate Moss with her legs pinned behind her head.</p>
<p style="text-align: justify;">
<div id="attachment_3718" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/kate-moss-gold.jpg"><img class="size-medium wp-image-3718 " title="50 kg Gold Kate Moss" src="http://kaufmann-mercantile.com/images/kate-moss-gold-531x581.jpg" alt="Kate Moss in Gold: &quot;Siren&quot;, by Marc Quinn" width="531" height="581" /></a><p class="wp-caption-text">Kate Moss in Gold: &#39;Siren&#39;, by Marc Quinn</p></div>
<p style="text-align: justify;">Gold is a noble metal &#8211; it does not react with most elements. That means it is usually found in its native form and nearly lasts forever. 4,500-year-old Egyptian dental work is said to be good enough for today&#8217;s mouths. There is no colloquial accounting for the style and quality of pure gold as could be applied to salt, cheese or rap music. 24k gold is 24k gold. Its only real measure of luxury outside of the ebb and flow of demand is what is done with it.</p>
<p style="text-align: justify;">
<div id="attachment_3738" class="wp-caption alignnone" style="width: 482px"><a href="http://kaufmann-mercantile.com/images/california-gold-rush.jpg"><img class="size-medium wp-image-3738" title="Gold Rush Handbill" src="http://kaufmann-mercantile.com/images/california-gold-rush-472x590.jpg" alt="California Gold Rush Handbill, 1849" width="472" height="590" /></a><p class="wp-caption-text">California Gold Rush Handbill, 1849</p></div>
<p>FURTHER READING:</p>
<p><a title="The Power of Gold" href="http://books.google.com/books?id=53zTrfaIqSEC&amp;dq=the+power+of+gold&amp;printsec=frontcover&amp;source=bn&amp;hl=fr&amp;ei=w1eNS6XIJoPStgO2__26Aw&amp;sa=X&amp;oi=book_result&amp;ct=result&amp;resnum=6&amp;ved=0CCgQ6AEwBQ#v=onepage&amp;q=&amp;f=false" target="_blank">Peter L. Bernstein. <em>The Power of Gold: History of an Obsession</em>, John Riley &amp; Sons, Inc. 2000.</a></p>
<p style="text-align: justify;">


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		<title>Aluminum</title>
		<link>http://kaufmann-mercantile.com/aluminum/</link>
		<comments>http://kaufmann-mercantile.com/aluminum/#comments</comments>
		<pubDate>Sat, 13 Feb 2010 02:33:30 +0000</pubDate>
		<dc:creator>Hans Schnier</dc:creator>
				<category><![CDATA[Materials]]></category>

		<guid isPermaLink="false">http://kaufmann-mercantile.com/?p=3478</guid>
		<description><![CDATA[I say aluminum, you say (if you&#8217;re the rest of the world) aluminium &#8211; let&#8217;s call the whole thing off! At this point you would have to have your head buried in bauxite (aluminum in its naturally occurring form) to not be aware of the impact aluminum has had on the modern world. Soda cans, [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;">I say aluminum, you say (if you&#8217;re the rest of the world) <em>aluminium</em> &#8211; let&#8217;s call the whole thing off! At this point you would have to have your head buried in bauxite (aluminum in its naturally occurring form) to not be aware of the impact aluminum has had on the modern world.</p>
<p style="text-align: justify;">
<div id="attachment_3479" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/tv-dinner.jpg"><img class="size-medium wp-image-3479" title="TV Dinner" src="http://kaufmann-mercantile.com/images/tv-dinner-531x425.jpg" alt="Frozen Shrimp TV Dinner With Tangy Cocktail Sauce for Extra &quot;Home Style&quot; Touch" width="531" height="425" /></a><p class="wp-caption-text">Frozen Fried Shrimp Dinner with Tangy Cocktail Sauce for Extra &quot;Home Style&quot; Touch</p></div>
<p style="text-align: justify;"><span id="more-3478"></span>Soda cans, furniture, cookware, structural building supports &#8211; the number of products made with the ubiquitous material is endless. Incredibly light, non-rusting, fully recyclable, cheap, and in seemingly limitless supply, it is the metallic element of choice for an extraordinary number of everyday goods. It cannot be denied that aluminum is a miraculous metal whose industrial and commercial applications have revolutionized the modern world. Yet it is most common in products we use in our everyday personal life, and its positive aspects, especially in regards to its contact with the foods we consume, is more questionable.</p>
<p style="text-align: justify;">Aluminum is found in buffered aspirin, most antiperspirants (as aluminum chlorhydrate), antacids, and in shampoo (as aluminum lauryl sulfate or magnesium aluminum silicate). The &#8220;miracle&#8221; metal is also found in many foods: cake mixes, self-rising flour, prepared doughs, nondairy creamers, pickles, some baking powders, and many processed cheeses. We seem to be either rubbing it on our bodies or ingesting it or pouring it on something on a daily basis, and have been doing so for years, and concern is steadily on the rise.</p>
<p style="text-align: justify;">
<div id="attachment_3482" class="wp-caption alignnone" style="width: 434px"><a href="http://kaufmann-mercantile.com/images/secret-deodorant.jpg"><img class="size-medium wp-image-3482" title="Deodorant Advertising" src="http://kaufmann-mercantile.com/images/secret-deodorant-424x590.jpg" alt="Secret Deodorant" width="424" height="590" /></a><p class="wp-caption-text">Secret Anti-Perspirant Advertising, 1969</p></div>
<p style="text-align: justify;">HISTORY OF ALUMINUM</p>
<p style="text-align: justify;">Aluminum is the third most abundant element of the Earth&#8217;s crust, behind that oxygen and silicone, but foremost among all metals, adding up to 7.3% by mass of the earth&#8217;s crust. Industrial aluminum is a rather &#8220;young&#8221; metal (it has only been produced for commercial purposes for a century and a half), but have been using it in its natural form for much longer. 7,000 years ago, Persians made their strongest pottery out of clay containing aluminum oxide. Three millennia later, ancient Egyptians were using  aluminum compounds in medicines, dyes, and cosmetics. The Romans used various aluminum compounds as astringents; they called these <em>alum</em>, or the Latin <em>alumen</em>, giving the metal the origin of its modern name.</p>
<p style="text-align: justify;">
<div id="attachment_3499" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/bauxite.jpg"><img class="size-medium wp-image-3499" title="bauxite" src="http://kaufmann-mercantile.com/images/bauxite-531x483.jpg" alt="Bauxite: Aluminum Ore" width="531" height="483" /></a><p class="wp-caption-text">Bauxite: Aluminum Ore</p></div>
<p style="text-align: justify;">Aluminum does not occur naturally in its elemental state. In 1821 Pierre Berthier discovered a clay-like material that contained 52 percent aluminum oxide outside the small village of Les Baux in the south of France. In reference to the place of this most significant of discoveries, he gave the material the name bauxite. He did not realize it at the time, but he had discovered the aluminum ore.</p>
<p style="text-align: justify;">The first commercial process of extracting aluminum was created in 1854 by Henri Sainte-Claire Deville of France, and by 1855 he was able to create enough aluminum for display at the Paris Exposition of that year. Billed as &#8220;silver from clay,&#8221; aluminum bars were shown alongside France&#8217;s crown jewels. The juxtaposition was fitting: rubies, emeralds and sapphires consist mainly of crystalline aluminum oxide. At that time, pure aluminum was valued at $115 per pound — more expensive than gold. Napoleon III proudly displayed aluminum cutlery at his state banquets, commissioned aluminum equipment for his military and even had an aluminum and gold baby rattle made for his son.</p>
<p style="text-align: justify;">
<div id="attachment_3493" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/b-24.jpg"><img class="size-medium wp-image-3493" title="B 24" src="http://kaufmann-mercantile.com/images/b-24-531x468.jpg" alt="B-24 Assembly Hall, 1943 / Courtesy of Shorpy" width="531" height="468" /></a><p class="wp-caption-text">B-24 Assembly Hall, 1943 / Courtesy of Shorpy</p></div>
<p style="text-align: justify;">In 1886, after years of experimentation by many scientists and industrialists, Charles Martin Hall of the United States and Paul L.T. Héroult of France — both 22 years old — independently discovered a way to produce aluminum cheaply. Hall developed a method for &#8220;reducing&#8221; aluminum oxide, called alumina, to pure aluminum by electrolysis. In the electrolytic cell, alumina is dissolved in molten cryolite. A strong electric current passes through the solution and removes the oxygen, leaving deposits of nearly pure aluminum on the bottom of the bath. This method <em>— </em>called the<em> </em><em>Hall</em>–<em>Héroult</em><em> process</em> — is still used today.</p>
<p style="text-align: justify;">
<div id="attachment_3490" class="wp-caption alignnone" style="width: 432px"><a href="http://kaufmann-mercantile.com/images/aluminum-pot.jpg"><img class="size-medium wp-image-3490" title="Aluminum Cookware" src="http://kaufmann-mercantile.com/images/aluminum-pot-422x590.jpg" alt="Club Aluminum Cookware" width="422" height="590" /></a><p class="wp-caption-text">Club Aluminum Advertising, 1946</p></div>
<p style="text-align: justify;">Two years later, Hall founded the Pittsburgh Reduction Company (which would in 1907, be renamed Aluminum Company of America, and become the largest producer of aluminum in America). Before the end of 1888, Hall had produced the first commercial aluminum. As Hall improved his process, the price of aluminum ingots dropped from $4.86 per pound in 1888 to 78 cents per pound in 1893.</p>
<p style="text-align: justify;">Industrialists were at first reluctant to use unfamiliar aluminum, but business grew as manufacturers grasped the benefits of this light yet strong metal. In the mid-1930s, industrial designer Henry Dreyfuss predicted that &#8220;aluminum will play a large and significant part&#8221; in the &#8220;greatest period of redesign the world has known.&#8221; By the late 1930s, a pound of aluminum cost just 20 cents, and its uses numbered more than 2,000.</p>
<p style="text-align: justify;">As is often the case (and almost always for the winning side), war was very good for business. During World War II, demand doubled as the cheap, durable material spawned a new generation of aircraft, automobiles, cooking utensils, foil, electric wire and cable. There has been no going back since. Aluminum is ubiquitous in our modern world. Other metals, such as copper, lead, and tin have been mined and used by humans for millennia, but nothing compares to the exploitation of aluminum. More aluminum is produced today than all other non-ferrous metals put together.</p>
<div id="attachment_3514" class="wp-caption alignnone" style="width: 459px"><a href="http://kaufmann-mercantile.com/images/aluminum-boat1.jpg"><img class="size-medium wp-image-3514" title="aluminum-boat1" src="http://kaufmann-mercantile.com/images/aluminum-boat1-449x590.jpg" alt="aluminum-boat1" width="449" height="590" /></a><p class="wp-caption-text">The Aluminum Association Advertising, 1967 (Click on Image for Details)</p></div>
<p>ALUMINUM HEALTH CONCERNS</p>
<p style="text-align: justify;">The bulk of the health discussion centers around whether there is a link between the absorption of aluminum and Alzheimer&#8217;s disease. The idea was first introduced in the early 1960s, when neurologist Igor Klatzo at the <a title="National Institures of Health" href="http://www.nih.gov/" target="_blank">National Institutes of Health</a> led a study of the workings of the immune system in the brain. When Klatzo injected various solutions into the brains of rabbits to observe immune response, the animals went into severe convulsions. Investigating further, Klatzo learned that it was not active ingredients in the solutions that caused this response, but aluminum added to the solution to aid in their action. Klatzo also observed that brain cells appeared to have suffered a kind of microscopic degeneration in the form of &#8216;plaques&#8217; and &#8216;tangles&#8217; which were also characteristic of Alzheimer&#8217;s patients.</p>
<p style="text-align: justify;">
<div id="attachment_3488" class="wp-caption alignnone" style="width: 454px"><a href="http://kaufmann-mercantile.com/images/alois-alzheimer.jpg"><img class="size-medium wp-image-3488" title="Alois Alzheimer" src="http://kaufmann-mercantile.com/images/alois-alzheimer-444x590.jpg" alt="Neuropathologist Alois Alzheimer (1864 - 1915)" width="444" height="590" /></a><p class="wp-caption-text">Neuropathologist Alois Alzheimer (1864 - 1915)</p></div>
<p style="text-align: justify;">A few years later, researchers at the <a title="Alzheimer Study University Of Toronto" href="http://brain.oxfordjournals.org/cgi/pdf_extract/99/1/67" target="_blank">University of Toronto set out to look for aluminum in the brains of Alzheimer&#8217;s subjects</a>. Using autopsy samples, they measured aluminum levels in various parts of the brain and compared levels in Alzheimer&#8217;s patients with those in patients who died of unrelated health conditions. The Alzheimer&#8217;s patients had aluminum levels two to three times higher.</p>
<p style="text-align: justify;">
<div id="attachment_3489" class="wp-caption alignnone" style="width: 482px"><a href="http://kaufmann-mercantile.com/images/aluminum-properties.jpg"><img class="size-medium wp-image-3489" title="Aluminum Fire Fighter" src="http://kaufmann-mercantile.com/images/aluminum-properties-472x590.jpg" alt="Aluminum Fire Suit" width="472" height="590" /></a><p class="wp-caption-text">Aluminum Clad Fire Fighter, Kaiser Aluminum Advertising, 1950s</p></div>
<p style="text-align: justify;">A number of studies were conducted shortly after, each one discounting the last, some claiming no correlation, others an obvious one. Critics of the supposed link say that association does not prove causation. The buildup, they argue, may be a consequence of Alzheimer&#8217;s, which may cause changes in the brain that cause the metal to accumulate in brain tissue. While the <a title="US Department of Health" href="http://www.atsdr.cdc.gov/tfacts22.html" target="_self">U.S. Department of Health and Human Services states that exposure to high levels of aluminum may result in respiratory problems</a>, it does not state that exposure to very small levels is harmful. The current view of the Alzheimer&#8217;s Association is that &#8220;the findings (&#8230; ) do not convincingly demonstrate a causal relationship between aluminum and Alzheimer&#8217;s disease, and that no useful medical or public health recommendations can be made, at least at present.&#8221;</p>
<div id="attachment_3486" class="wp-caption alignnone" style="width: 484px"><a href="http://kaufmann-mercantile.com/images/pepsi.jpg"><img class="size-medium wp-image-3486" title="Pepsi Cans" src="http://kaufmann-mercantile.com/images/pepsi-474x590.jpg" alt="Pepsi Cans" width="474" height="590" /></a><p class="wp-caption-text">Pepsi Advertising, 1980s</p></div>
<p style="text-align: justify;">Another issue directly connected to the aluminum health debate is <a title="BPA" href="http://en.wikipedia.org/wiki/Bisphenol_A" target="_blank">BPA</a>. BPA is found in the epoxy lining used in aluminum cans and bottles to prevent the leaching of potentially harmful properties from the metal into the food or drink within. that aluminum even NEEDS something to prevent it from coming into contact with your food or drink makes the container doubly dangerous, since BPA has long been known to have even worse health implications than what it&#8217;s put in place to protect you from! Bisphenol A is a chemical which can mimic human estrogen and which is linked to breast cancer and early puberty in women.</p>
<p style="text-align: justify;">According to a study conducted by the <a title="Environmental Working Group" href="http://www.ewg.org/reports/bisphenola" target="_blank">Environmental Working Group</a>, a wide variety of canned food was bought and tested. In more than half the items they found &#8220;200 times the government&#8217;s traditional safe level of exposure for industrial chemicals.&#8221; Still, there are no standards for BPA; it is allowed to be put in anything, and billions of pounds are produced each year. According to EWG: &#8220;Of all foods tested, chicken soup, infant formula, and ravioli had BPA levels of highest concern. Just one to three servings of foods with these concentrations could expose a woman or child to BPA at levels that caused serious adverse effects in animal tests.&#8221;</p>
<p style="text-align: justify;">
<div id="attachment_3523" class="wp-caption alignnone" style="width: 541px"><a href="http://kaufmann-mercantile.com/images/aluminum-products.jpg"><img class="size-medium wp-image-3523" title="Aluminum Products" src="http://kaufmann-mercantile.com/images/aluminum-products-531x564.jpg" alt="Reynolds Aluminum Advertising" width="531" height="564" /></a><p class="wp-caption-text">Reynolds Aluminum Advertising</p></div>
<p style="text-align: justify;">CONTROVERSY AND ITS EFFECTS</p>
<p style="text-align: justify;">Many cookware manufacturers have heeded the call of careful consumers, offering them pots and pans made of anodized aluminum. Anodizing involves thickening the naturally-oxidized surface of the metal by passing a direct current through it as it sits in an electrolytic solution (usually sulfuric acid). Afterward, the surface is sealed to fill in pores that form during the process and to prevent degradation. The result is a coating that is highly-resistant to corrosion, much harder, and can accept dyes readily. The leaching of aluminum residue is considerably lowered with this process. Socially responsible food manufacturers are also switching to canned goods with non-BPA linings due to growing public concerns over the obvious health issues.</p>
<p style="text-align: justify;">Most studies seem to agree that low-level exposure to aluminum from food, air, and water, is not harmful. However there are clearly enough legitimate questions concerning its use in a number of important everyday applications to continue the debate and make us think twice before buying aluminum products. Whatever the case, it seems likely that this very valuable material will continue to be used until solid evidence shows us that without a doubt, it may not be best to chase your Rolaids with a can of tomato juice.</p>


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