Prism Binoculars
date: label: date made
content: 1894-1908
name: label: maker
content: Zeiss
notes: label: Description
content: Brass binoculars with dark brown leather on the barrels. The inscription on the left eye plate reads “Carl Zeiss, Jena / D.R.P.” That on the right reads “Feldstech. . . / Vergr + 8. . .” The end of the central post is marked “O. Junck, Jena.” The objective lenses are 20 mm diameter. The eyepieces are separately adjustable as is the inter-ocular distance.
label: Description
content: This an early example of the instrument that Ernst Abbe patented in 1893. The barrel on the right has been bisected to show the internal structure.
label: Location
content: Currently not on view
place: label: place made
content: Germany: Thuringia, Jena
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Science & Mathematics
label: See more items in
content: Optics
creditLine: label: Credit Line
content: Carl Zeiss, Inc.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.323151
label: catalog number
content: 323151
label: accession number
content: 250105
objectType: label: Object Name
content: binoculars
physicalDescription: label: Measurements
content: overall: 1 7/8 in x 5 in x 4 1/8 in; 4.7625 cm x 12.7 cm x 10.4775 cm
label: Measurements
content: overall: 2 in x 5 1/16 in x 4 3/8 in; 5.08 cm x 12.85875 cm x 11.1125 cm