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Legacies: Collecting America's History at the Smithsonian, by Steven Lubar and Kathleen M. Kendrick
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Prototype for a LED (light emitting diode) electronic watch, about 1972Prototype for a LED (light emitting diode) electronic watch, about 1972

During the 1960s research teams from watch companies around the world raced to develop an electronic watch. This LED assembly was acquired in 1994 from John Bergey, a Hamilton Watch Company engineer.

See also: Clocks and Watches, Science and Scientists

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