A wooden tray containing 20 glass slides can be inserted by flipping down the front of the viewer, then, by moving a knob, located on the right side, up and down, one slide after another can be examined. The slides are pulled up by magnets …
The Apéscope is one of the few hand-held multi-view stereoscopes and a late development, produced at a time when stereoscopy was in decline. A magazine containing 12 glass stereoviews can be inserted into the viewer from below. By pushing a draw upwards, a slide is …
After the fixed-chain models came the push-and-pull stereoscope, in which the views pass from the supply magazine to the receiving magazine after a viewing period, thanks to a changing rod. This system was invented by Hermann-Marie-Camille Jahnholtz, who filed patent FR 280.799 on August 23, …
The reversing stereoscope for the Vérascope F40 was introduced in 1951. It is made of varnished mahogany and was specially designed for exposed 35 mm film used with the F40, with which it shares the same film-advance synchronization system. Its reversing system uses roof prisms. …
A bakelite tray containing 25 glass slides can be inserted by flipping down the front of the viewer. Then, by depressing the lever on the right side of the housing, one slide after another can be examined. On the left side of the viewer, there …
L’Astra is the largest of Bize’s designs. The slide tray mechanism of L’Astra differs from typical stereoscopes. Instead of a tray carriage moving over a rail, L’Astra uses a gear system embedded in the base plate, with the tray featuring grooves. The rotating gear moves …
Le Minimus is a compact manual multi-view stereoscope that holds 24 glass slides. Turning the knobs on the sides moves the front panel outward, allowing a slide to drop into position before the lenses. Further rotation transfers the viewed slide to a storage compartment below, …
Le Multiphote is a manual multi-view stereoscope designed for 24 glass slides. Turning the knobs on the sides moves the front panel outward, allowing a slide to drop into position before the lenses. Further rotation transfers the viewed slide into a detachable tray in the …
The Magazin-stereobetrachter was the only tray-based stereoscope produced by Ernemann. The device is compact relative to viewers equipped with a multi-view mechanism. (from: Compendium of Stereoscopes)
This rare stereoscope was likely a modest success in France. However, the patented design by Charles Fougerat was also applied in Germany by ICA in the much better-known Stereospekt. (from: Compendium of Stereoscopes)
The glass slides are mounted in a metal harmonica belt that can hold up to twelve slides. Instructions on how to position the belt in the device are printed on the top. The slides are firmly clamped in frames, suggesting that they were intended to …
A bakelite tray containing 20 glass slides can be inserted by flipping down the front of the viewer, then, by moving a knob, located on the right side, up and down, one slide after another can be examined. The slides are pulled up by magnets …
