Opera Glasses

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
Object Name
opera glasses
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
ID Number
PH*336812
catalog number
336812
accession number
1978.2216
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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