Blueprint for Crampton Trigonometric Calculating Instrument
date: label: date made
content: 1975
notes: label: Description
content: In about 1917, Frank A. Crampton and Theodore H. M. Crampton designed an instrument for finding the values of trigonometric functions. This is a copy of the 1917blueprint for the device, made in 1975. For the instrument, see MA.335540.
label: Location
content: Currently not on view
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
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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.317954.04
label: accession number
content: 317954
label: catalog number
content: 317954.04
objectType: label: Object Name
content: sheet
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: .1 cm x 49 cm x 45.8 cm; 1/32 in x 19 9/32 in x 18 1/32 in