Mattey Père & Fils - France - Stereoscope Mattey

Year :
ca 1900
Category :

Stereoscope table varnished mahogany. the rack / bin holds up to 25 glass plates in a size of 4.5 x 10.5 cm. The crank drives a wheel on which is placed a support that raises the plate from below. The rotary movement of the crank is transformed into vertical movement from top to bottom. The glass plate rises to the point where it is in the line of vision and then back down to return to the cart. At each raising-lowering of a plate, the carriage advances by one line.