Photocopy of a Photograph Showing the Crampton Trigonometric Calculating Instrument
notes: label: Description
content: This is a photocopy of a photograph of the instrument for calculating all trigonometric functions co-invented by Frank Crampton. It includes a small vernier which is missing from the object. Also included is a business card of the donor.
label: Description
content: For related object, see MA.335540.
label: Location
content: Currently not on view
place: label: place made
content: United States: District of Columbia
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Science & Mathematics
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content: Trigonometry
creditLine: label: Credit Line
content: Gift of Esther L. Crampton
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.317954.05
label: accession number
content: 317954
label: catalog number
content: 317954.05
objectType: label: Object Name
content: sheet
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: 21.5 cm x 28 cm; 8 15/32 in x 11 1/32 in