Opera Glasses

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Description
The objective lenses are 30 mm diameter. 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 carrying case is black leather lined with dark silk.
Location
Currently not on view
Measurements
overall: 2 1/4 in; 5.715 cm
overall in case: 3 1/4 in x 4 3/4 in x 2 3/8 in; 8.255 cm x 12.065 cm x 6.0325 cm
ID Number
PH.336799
catalog number
336799
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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