Bernard Kosto, M.D. Yale University. School of Medicine.
Published / Created
18th century
Description
Ferrous frame, hinged arms terminating in rings. Circular lenses, left lens missing. Right lens has positive strength (for hyperopia), and is scratched. Rusted surface. Arms do not open straight. Front part of frame is bowed the wrong way. Width 11.5cm, arm sections 10cm and 6cm long. All six hinges held by screws. Flip-top case welded from ferrous plate, hinged at one edge on a fine screw. Pointed oval ends. Length 13.5cm, width 4.5cm. Both the body of the tube and its end-cap are engraved with lines around the mouth. Rusted surface, especially interior - exterior is relatively clean. Late 18th century. Frame appears all original.
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