[Arts et Metiers] Clock acting as a metronome, by Abraham Louis Breguet, c. 1790
aperture=f3.2 focal length: 60.0 mm exposure 1/80 sec ISO: 1250
paris2008 : November 29 : IMG 3519 |
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IMG 3517 |
IMG 3521 |
IMG 3517 |
IMG 3521 |