5 Pieces of Optical Glass

Object Name: 
5 Pieces of Optical Glass

What is AAT?

The Art & Architecture Thesaurus (AAT) (r) is a structured vocabulary for generic concepts related to art and architecture. It was developed by The Getty Research Institute to help research institutions become consistent in the terminology they use.Learn More

Object Name: 
5 Pieces of Optical Glass
Place Made: 
Accession Number: 
See Individual Records
Not on Display
about 1955-1959
Credit Line: 
Gift of Dr. Charles Bradley
Primary Description: 
Colorless heavy optical glass; ground and polished. (A) Triangle with triangular corners, two sides polished. (B) Six- sided prism with two corners cut into triangles, our sides polished. (C) Four corners cut into triangles, on top a deep curved notch, three sides polished. (D) Prism with four large polished sides and three small unpolished sides, two corners cut into triangles. (E) 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.
Bradley, Charles, Source