56: A 19TH CENTURY FRENCH FOLDING STEREO GRAPHOSCOPE

The ebonised case with incised decoration throughout, nickel plated binocular lenses, signed "Brevete, SDGD" on the scroll cut support, scroll cut card stand, ground glass light diffuser, large graphoscope lens, belt driven adjustment of the extended focal length allowing the light diffuser to be brought close for the stereo viewer. Measures 20 x 22.75 x 12 inches when open.

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Very good condition, no heavy wear, no damage or replacement, minor wear and the effects of age and use, clear optics overall.
$200 - $300