Georges Demeny (Douai, 1850-Paris, 1917)
Fixed-plate time-lapse photography
H 22.3 X W 48.5 cm
Annotations on board, H 48 X W 62.5 cm
Signed "Georges Demeny", using the method of Professor Marey"
Donation from the Collège de France en 1955
Beaune, E.J. Marey Museum
As against the rifle, in chronophotography on a fixed plate, the sensitive medium is immobile. It was a slotted disk turning behind the target that allowed the light to be filtered intermittently, thereby facilitating an imprint on the plate.