Binocular Eyepiece
notes: label: Description
content: Patent model for Robert B. Tolles, “Binocular Eyepiece for Microscopes,” U.S. Patent 56,125 (July 3, 1866). Tolles (1823-1883) was an optical instrument maker then living in Canastota, New York.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.308902
label: catalog number
content: 308902
label: accession number
content: 89797
label: patent number
content: 56,125
objectType: label: Object Name
content: binocular eyepiece
label: Object Type
content: Patent Model
physicalDescription: label: Measurements
content: overall: 1 1/8 in x 3 3/4 in x 5 7/8 in; 2.8575 cm x 9.525 cm x 14.9225 cm
label: Measurements
content: overall: 1 3/16 in x 3 3/4 in x 5 7/8 in; 3.01625 cm x 9.525 cm x 14.9225 cm