| || |
English Holmes-Bates style combination viewer for stereoscopic views and magic lantern slides
Stereographica - Antique Photographica
Courtesy of Bryan and Page Ginns (#16/29)
In the stereo position the lenses give an excellent 3D effect, reverse the lenses and it can be used for looking at mono lantern slides. The stereo format is the standard size, the slide format is the standard English size of 3.25" square. A similar viewer is illustrated on page 44 of "Magic Images".