Opera Glasses

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Description
This is a brass instrument with ivory focusing screw, handle, and covering over the cylindrical barrels. The objective lenses are 24 mm diameter. “LUNETTE PAR INVENTION ET PERFECTIONEMENT*” appears around each eyepiece. The case is made of black cellulose nitrate.
Location
Currently not on view
date made
mid 19th century
place made
France
Measurements
overall: 43 cm; 16 15/16 in
overall; glasses: 1 3/8 in x 4 1/2 in x 1 13/16 in; 3.4925 cm x 11.43 cm x 4.60375 cm
overall; case: 4 3/8 in x 2 1/2 in x 1 11/16 in; 11.1125 cm x 6.35 cm x 4.28625 cm
ID Number
PH.336789
catalog number
336789
accession number
1978.2216
Credit Line
Jane and Mary Henle
See more items in
Medicine and Science: Physical Sciences
Science & Mathematics
Optics
Data Source
National Museum of American History, Kenneth E. Behring Center

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