[Arts et Metiers] Marine chronometer equipped with a cylindrical glass spiral, by Breguet and Neveu, c. 1850
aperture=f2.8 focal length: 60.0 mm exposure 1/40 sec ISO: 1250
paris2008 : November 29 : IMG 3515 |
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IMG 3514 Escapement Demostrator |
IMG 3517 |
IMG 3514 Escapement Demostrator |
IMG 3517 |