Analog Computing Component - Carriage Limit Stop
date: label: date made
content: ca 1960
name: label: maker
content: Ford Instrument Company
notes: label: Description
content: This component includes an steel traveling screw, a steel guide shaft parallel to it, and a frame that links the two. One end of the screw has two aluminum gears, one with thirty teeth and the other with sixty-five teeth. The steel frame is marked near the hole on it: 42-848. Another mark on the frame reads: 91-478. According to the accession file, this Ford Instrument Company product served as a limit stop, limiting travel of the integrator ball carriage on the ASN-7 Aircraft Navigational Computer.
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: 1982.0751.22
label: catalog number
content: 1982.0751.22
label: accession number
content: 1982.0751
objectType: label: Object Name
content: analog computing component
physicalDescription: label: Physical Description
content: steel, aluminum (overall material)
label: Measurements
content: overall: 3.7 cm x 8.9 cm x 2.7 cm; 1 15/32 in x 3 1/2 in x 1 1/16 in