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optical glass

Object NameSpherical Optical Glass

Made FromGlass

Dateabout 1955-1959

Place MadeU.S.S.R.

SizeOverall Diam: 4.1 cm

Accession Number59.3.57 E

Credit LineGift of Dr. Charles Bradley

Curatorial Area(s)

Postwar and Contemporary
Science and Technology

Not On View

Physical DescriptionColorless heavy optical glass; ground and polished. Spherical object, one side flattened, one side with a circular disc knop the other one with a pedestal-like extension, painted black in such a way that there are four circular windows including flattened side.
Provenance

Source Charles Bradley - 1959