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Opened case of pocket watch
Interior case of pocket watch

Pocket Watch
1852

First watch made by production machinery
This pocket watch was the personal property of Edward Howard, founder of the Boston firm of E. Howard & Company. The watch is unusual in that it has two driving mainsprings and only requires winding once a week.

Notes
Web display only
Learn more!
· "On Time," an NMAH Virtual Exhibition
· "Taking the Measure of Time" by Per Ola and Emily d'Aulaire, "Smithsonian" magazine, December 1999
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