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ALEX. BECKER, New York
A wood-body pedestal combined double and single stereoscope no. 5229 with focusing mechanism, hinged top with applied foil reflectors, a pair of eyepieces and metal plate stamped Alex. Becker's New York Patents April 7 1857, March 1 & 29 1859, April 12 1859, Dec 15 1859.
A wood-body pedestal combined double and single stereoscope no. 5229 with focusing mechanism, hinged top with applied foil reflectors, a pair of eyepieces and metal plate stamped Alex. Becker's New York Patents April 7 1857, March 1 & 29 1859, April 12 1859, Dec 15 1859.
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