Opera Glasses
date: label: date made
content: late 19th century
notes: label: Description
content: 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 “PAT’D. OCT. 19 1886” inscription on each barrel refer 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.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Science & Mathematics
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content: Optics
creditLine: label: Credit Line
content: Jane and Mary Henle
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.336794
label: catalog number
content: 336794
label: accession number
content: 1978.2216
objectType: label: Object Name
content: opera glasses
physicalDescription: label: Measurements
content: overall: 2 1/2 in; 6.35 cm
label: Measurements
content: overall in pouch: 6 in x 4 1/4 in x 1 3/4 in; 15.24 cm x 10.795 cm x 4.445 cm