Overview
Made by the tanning of animal hides, leather has proven to be a versatile and important material. Without it, the Pilgrims may not have survived the winters in Plymouth, and the Romans may not have been able to march to the Tigris.
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13 - 1Containers January 04, 2006 -
13 - 2Fire January 11, 2006 -
13 - 3Cotton January 18, 2006 -
13 - 4Engineering Disasters 18 February 08, 2006 -
13 - 5Candy February 14, 2006 -
13 - 6Weird Weapons: The Axis February 21, 2006 -
13 - 7Nature Tech: Avalanches February 24, 2006
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13 - 8Engineering Disasters: New Orleans February 28, 2006 -
13 - 9Leather March 08, 2006
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13 - 10Engineering Disasters 19 March 22, 2006 -
13 - 11Insulation April 26, 2006 -
13 - 12Hi-Tech Hitler May 02, 2006 -
13 - 13Shovels May 03, 2006
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13 - 14Drilling May 10, 2006 -
13 - 1580s Tech May 24, 2006 -
13 - 16Ben Franklin Tech May 25, 2006 -
13 - 17Copper Kings June 12, 2006
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13 - 18Heavy Metals June 14, 2006 -
13 - 19Money June 19, 2006
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13 - 20BBQ Tech June 28, 2006 -
13 - 21American Eats Special July 02, 2006
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13 - 22High Explosives July 03, 2006
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13 - 23Pirate Tech July 12, 2006 -
13 - 24Boneyard: Where Machines End Their Lives July 26, 2006
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13 - 25World's Biggest Machines 5 July 26, 2006 -
13 - 26Super Tools: Skyscraper July 28, 2006
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13 - 27The AK-47 July 28, 2006
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13 - 28Nuts August 02, 2006 -
13 - 29Classic Cars August 03, 2006
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13 - 30Making Medieval Armor August 03, 2006
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13 - 31Rube Goldberg August 03, 2006
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13 - 32Batteries August 03, 2006 -
13 - 33Mummy Tech August 23, 2006 -
13 - 34Levees August 30, 2006
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13 - 35Water September 06, 2006 -
13 - 36The Cola Wars September 07, 2006 -
13 - 37Copper September 13, 2006 -
13 - 38Shotguns September 17, 2006
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13 - 39Building In The Name Of God September 18, 2006 -
13 - 40Horsepower September 20, 2006 -
13 - 41Renewable Energy September 20, 2006 -
13 - 42Freight Trains September 20, 2006 -
13 - 43Cities of the Underworld September 21, 2006 -
13 - 44Atlantic Intracoastal Waterway September 26, 2006 -
13 - 45Stealth & Beyond: Air Stealth September 27, 2006 -
13 - 46Stealth & Beyond: Sea Stealth September 27, 2006
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13 - 47Ink October 04, 2006 -
13 - 48Distilleries 2 October 11, 2006
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13 - 49World's Strongest October 18, 2006 -
13 - 50Tomcat Sunset November 01, 2006 -
13 - 51Tobacco November 08, 2006 -
13 - 52The Supermarket November 15, 2006 -
13 - 53Breakfast Tech November 28, 2006 -
13 - 54Wine November 29, 2006 -
13 - 55Harvesting 2 November 29, 2006
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13 - 56Engineering Disasters 20 December 06, 2006 -
13 - 57Snow December 10, 2006
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13 - 58Tea December 13, 2006 -
13 - 59Christmas Tech December 20, 2006 -
13 - 60Wind December 28, 2006