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optical glass

Object Name18 Optical Elements

Makerprobably Bausch & Lomb

Made FromGlass

Date1950-1953

TechniqueCast, ground, polished

SizeSee Individual Records

Accession Number53.4.46

Curatorial Area(s)

Place Made

United States, probably NY, Rochester

Physical Description18 Optical Elements. Blue, yellow, colorless painted black, silvered, and colorless glass; cast, ground and polished. (A) Circular disc, convex on one side, flat on the other; (B) triangular shape five-sided, bottom surface mirrored; (C) trapezoidal, three sides ground, three sides polished; (D-F) flat circular discs, edges ground; (G) triangular, three sides ground, three sides polished; (H) triangular with circular facet cut on one side, two sides painted black, paint wearing off; (I) circular flat disc, convex on one side, flat on the other; (J-N) circular flat discs; (O) circular disc, flat on one side, convex on the other; (P) flat square, silvered on one side; (Q) circular disc, flat on one side, convex on the other; (R) flat disc, mirrored on one side.
Provenance

Provenance Remark

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