Opera Glasses

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Description
The frame is gilt metal. The barrels and eyecups are covered with mother of pearl, as is the center wheel that adjusts the focus. The objective lenses are 39 mm diameter. The quality of the optics suggests that this is a 12 lens instrument.
Location
Currently not on view
Measurements
overall: 3 13/16 in; 9.652 cm
overall: 2 1/8 in x 4 5/8 in x 3 7/8 in; 5.3975 cm x 11.7475 cm x 9.8425 cm
ID Number
PH.336797
catalog number
336797
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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