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Object Number: 
Silver, glass
closed: 1 1/2 x 4 1/2 x 3/4 in. ( 3.8 x 11.4 x 1.9 cm )
engraved: on outside of left temple: "B B" stamped: on outside of right temple: "36" stamped: maker's mark on inside of both temple: "TP" stamped: on back of bridge: British lion and monarch's head written: on tag found with object: "OLD ROUND/ENGLISH
Silver spectacles with circular lenses connected by "C" bridge; adjustable double-hinged (Ayscough type) temples with elongated loops at ends. Outside of left temple engraved with owner's initials (BB).
Gallery Label: 
"Preserver" spectacles were meant to preserve the wearer's vision by exercising eyesight before vision had deteriorated. These spectacles are marked "36" on the temple to indicate their focal length.
Credit Line: 
Gift of Columbia University, 1920
Due to ongoing research, information about this object is subject to change.
Creative: Tronvig Group