Opera Glasses

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Description
These glasses fold flat to fit in purse or pocket. The eye plate and lens plate are nickel-plated. The objective lenses are about 3.8 inches diameter. The hard cover is brown. The form seems to have been introduced around 1900.
Location
Currently not on view
Measurements
closed: 4 15/16 in x 5 1/2 in x 1 7/16 in; 12.5476 cm x 13.97 cm x 3.6576 cm
overall closed: 1 1/16 in x 5 3/8 in x 4 1/4 in; 2.69875 cm x 13.6525 cm x 10.795 cm
ID Number
PH.336812
catalog number
336812
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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