EXACT TIME, FRANCE 1880
The unification and distribution of time using pneumatic chronometers, France
Picture No
10022221
Media ID
47180425
Size
5493px x 4062px
(5.2MB)
Credit
Mary Evans Picture Library
Source
Engraving in L'Illustration', 5 June 1880, page 369
Date
1880
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Chronometers Clocks Distribution Measurement Pneumatic Pressure Regulate Regulator Unification
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