plano-convex lens on brass stand
Date: circa 1880
Inventory Number: 1998-1-1233
Classification: Lens
Subject:
Maker: Théodore and Albert Duboscq (circa 1880 - 1890)
Cultural Region:
Place of Origin:
Dimensions:
45 x 17.5 x 17.5 cm (17 11/16 x 6 7/8 x 6 7/8 in.)
Description:
Plano-convex doublet lens mounted in a swiveling brass frame, which is blackened. Brass pillar stands on three feet. The base is stamped in black ink: "9 180."
In Collection(s)
Signedunsigned
FunctionFor optics demonstration and experimentation.