Opera Glasses

The objective lenses are about 29 mm diameter. The frame is black metal, as are the eyecups and the center wheel that adjusts the focus. The barrels are covered with a 3-dimensional leaf pattern. The words “PAT’D. OCT. 19 1886” onto each barrel refers to U.S. Patent 351125 describing a “Process of manufacturing colored relief impressions on sheet metal” issued to Friedman Priester and Otto Weidemann, both of Berlin.
Currently not on view
Object Name
opera glasses
date made
late 19th century
overall: 2 1/2 in; 6.35 cm
ID Number
catalog number
accession number
Science & Mathematics
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Jane and Mary Henle

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