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Flat lens & envelope
OPHTHALMIC LENSES
lens
Mid 20th c.
glass
overall 1): 38 mm; overall 2): 39 x 43 mm
2004.407
OPHTHALMIC LENSES
lens
Mid 20th c.
glass
overall 1): 38 mm; overall 2): 39 x 43 mm
Two flat lenses in a plain white lens envelope with handwritten identification. 1) round. 2) PRO.
2004.407
Gift of A.S. Whitmore