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Category: Science

Home > Archive by category "Category: Science"

1973 Progress in Electronics 11c Vermillion, Lilac, Pale Lilac, Olive, Brown, Deep Carmine, and Black

Posted on April 28, 2013August 15, 2015 by Gary
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This 11c airmail stamp commemorates progress in electronics. It is part of the Progress in Electronics set.

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1983 TVA 20c Multicolored

Posted on April 26, 2013August 15, 2015 by Gary
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This stamp commemorates the Tennessee Valley Authority (TVA).

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1983 Science and Industry 20c Multicolored

Posted on April 26, 2013August 15, 2015 by Gary
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This stamp commemorates both science and industry.

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1982 Knoxville World’s Fair: Fossil Fuels 20c Multicolored

Posted on April 21, 2013August 15, 2015 by Gary
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This stamp depicts the use of fossil fuels as found at the Knoxville World’s Fair.

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1982 Knoxville World’s Fair: Breeder Reactor 20c Multicolored

Posted on April 21, 2013August 15, 2015 by Gary
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This stamp depicts the Breeder reactor as found at the Knoxville World’s Fair.

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