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45mm uncut solid bifocal lens & envelope
OPHTHALMIC LENSES
lens
Mid 20th c.
glass
overall: 52 x 58 mm; segment: 45 mm

Solid bifocal lens (uncut) in a plain white lens envelope with handwritten identification. 45mm segment. Blue ink marking of segment and red cross lines.


2004.409

Gift of A.S. Whitmore, 2003


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