Analog Computing Component - 400 Cycle Resolver

Analog Computing Component - 400 Cycle Resolver

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Description
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.
According to the accession file, Ford Instrument Company made this device as an electrical transmission unit for its range keepers and computers.
References:
A.B. Clymer, "The Mechanical Analog Computers of Hannibal Ford and William Newell," Annals of the History of Computing, 15, #2, 1993, 19-34.
Accession file.
Location
Currently not on view
Object Name
analog computing component
date made
ca 1920-1955
maker
Ford Instrument Company
place made
United States: New York, Queens, Long Island City
Physical Description
aluminum (overall material)
plastic (wire covering material)
brass (disc matrial)
Measurements
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
ID Number
1982.0751.30
catalog number
1982.0751.30
accession number
1982.0751
Credit Line
Ford Instrument Company, Division of Sperry Rand Corporation
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Data Source
National Museum of American History
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