Overview
A review of history of man's oldest materials: wood, stone, iron, bronze and glass.
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9 - 1Thomas Edison September 26, 1968 -
9 - 2Human Engineering October 03, 1968
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9 - 3Materials October 10, 1968
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9 - 4Structure November 07, 1968
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9 - 5Communications November 14, 1968
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9 - 6Canals And Tunnels November 21, 1968
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9 - 7Central Power November 28, 1968
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9 - 8Man And Machines December 05, 1968
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9 - 9Land And Water December 12, 1968
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9 - 10Man Aloft December 19, 1968
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9 - 11Portable Power December 26, 1968
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9 - 12Machines And Man: Transportation January 02, 1969
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9 - 13Machine And Man: Systems Engineering January 09, 1969
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9 - 14Audubon March 18, 1969