IMG 3492
[Arts et Metiers] Gyroscope of Foucault 1892. By inventing the gyroscope, Leon Foucault intended to make a device that would, literally, show the earth "turning around". The axis of the bronze torus, launched at high speed, aims ar a fixed direction in space, and thanks to the microscope mounted on the instrument, the user can observe the rotation of the earth directly.
aperture=f2.8 focal length: 60.0 mm exposure 0.3 sec ISO: 800
IMG 3494
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/10 sec ISO: 1250
IMG 3495
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/13 sec ISO: 1250
IMG 3496
[Arts et Metiers]
aperture=f16.0 focal length: 60.0 mm exposure 2.5 sec ISO: 1250
IMG 3497
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/13 sec ISO: 1250
IMG 3498
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/20 sec ISO: 1250
IMG 3499
[Arts et Metiers]
aperture=f32.0 focal length: 60.0 mm exposure 10 sec ISO: 1250
IMG 3501
[Arts et Metiers]
aperture=f4.5 focal length: 24.0 mm exposure 1/40 sec ISO: 1250
IMG 3502 Breguet R U1
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/15 sec ISO: 1250
IMG 3503
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/50 sec ISO: 1250
IMG 3504
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/40 sec ISO: 1250
IMG 3505
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/8 sec ISO: 1250
IMG 3507
[Arts et Metiers]
aperture=f3.5 focal length: 60.0 mm exposure 1/100 sec ISO: 1250
IMG 3509 File making machine
[Arts et Metiers]
aperture=f3.2 focal length: 60.0 mm exposure 1/80 sec ISO: 1250
IMG 3511
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/10 sec ISO: 1250
IMG 3512
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/20 sec ISO: 1250
IMG 3513
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/25 sec ISO: 1250
IMG 3514 Escapement Demostrator
[Arts et Metiers] By Perrelet, with Anchor, Verge, Cylander and Chronometer plates
aperture=f2.8 focal length: 60.0 mm exposure 1/20 sec ISO: 1250
IMG 3515
[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
IMG 3517
[Arts et Metiers] Large marine suspension watch no. 140, 1816. Executed in the workshop of Louis Berthoud by his student Henri Motel.
aperture=f4.5 focal length: 60.0 mm exposure 1/160 sec ISO: 1250
IMG 3519
[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
IMG 3521
[Arts et Metiers] Clock with double decimal, and duodecimal graduations, annd decimal sonnerie, by Pierre-Basile Lepaute, 1795
aperture=f2.8 focal length: 60.0 mm exposure 1/25 sec ISO: 1250
IMG 3523
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/60 sec ISO: 1250
IMG 3524
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/30 sec ISO: 1250
IMG 3525
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/30 sec ISO: 1250
IMG 3526
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/40 sec ISO: 1250
IMG 3528
[Arts et Metiers] Regulator with universal dial and devimal dial, by Antide Javier, 1800
aperture=f3.5 focal length: 60.0 mm exposure 1/100 sec ISO: 1250
IMG 3530
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/15 sec ISO: 1250
IMG 3531
[Arts et Metiers]
aperture=f2.8 focal length: 60.0 mm exposure 1/15 sec ISO: 1250
IMG 3532
[Arts et Metiers] Tellurium, or Loxocosm, from the beginning of the 18th C.
aperture=f2.8 focal length: 60.0 mm exposure 1/60 sec ISO: 1250
IMG 3535
[Arts et Metiers] Complex watch with double face, by Abraham-Louis Breguet, c. 1785
aperture=f2.8 focal length: 60.0 mm exposure 1/30 sec ISO: 1250