Black Plastic Folding Stereoscopic Viewer
Black Plastic Folding Stereoscopic Viewer
London Stereo Stereograph Album
London Stereo Stereograph Album
Self-Published Stereographs (Single-Sided)
Self-Published Stereographs (Single-Sided)
Stereographs, England & British Territories
Stereographs, England & British Territories
The pocket rotoscope stereoscope
The pocket rotoscope stereoscope