Analog Computing Component - 400 Cycle Resolver
date: label: date made
content: ca 1920-1955
name: label: maker
content: Ford Instrument Company
notes: label: Description
content: This bright red metal component is cylindrical in shape, with eight wires coming out of one end. The cylinder fits into a shaped metal piece near the top - a shaft comes out the top. A white mark on the shaped metal piece reads: 75.
label: Description
content: According to the accession file, Ford Instrument Company made this device as an electrical transmission unit for its range keepers and computers.
label: Description
content: References:
label: Description
content: A.B. Clymer, "The Mechanical Analog Computers of Hannibal Ford and William Newell," <I>Annals of the History of Computing</I>, 15, #2, 1993, 19-34.
label: Description
content: Accession file.
label: Description
content: K.C. Epstein, <I>Analog Superpowers: How Twentieth Century Technology Theft Built the National Security State<I>, Chicago and London: University of Chicago Press, 2024.
label: Location
content: Currently not on view
place: label: place made
content: United States: New York, Queens, Long Island City
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
creditLine: label: Credit Line
content: Ford Instrument Company, Division of Sperry Rand Corporation
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1982.0751.30
label: catalog number
content: 1982.0751.30
label: accession number
content: 1982.0751
objectType: label: Object Name
content: analog computing component
physicalDescription: label: Physical Description
content: aluminum (overall material)
label: Physical Description
content: plastic (wire covering material)
label: Physical Description
content: brass (disc matrial)
label: Measurements
content: overall: 14 cm x 6.2 cm x 6.2 cm; 5 1/2 in x 2 7/16 in x 2 7/16 in