Details
Stereo viewers
comprising two Unis hand stereo viewers, a Richard Stereoscope, a metal-body folding stereo-viewer, with canvas bellows; and a celluloid film strip showing views of Zurich; a Dux childs projector
comprising two Unis hand stereo viewers, a Richard Stereoscope, a metal-body folding stereo-viewer, with canvas bellows; and a celluloid film strip showing views of Zurich; a Dux childs projector