Analog Computing Component - Screw Multiplier?
date: label: date made
content: ca 1920-1955
name: label: maker
content: Ford Instrument Company
notes: label: Description
content: This relatively large device has an aluminum platform with framing pieces and gears. The frame carries two grooved slides that move crosswise and a third that moves perpendicular to them. The motion of the perpendicular piece is controlled by the rotation of two parallel screws.
label: Description
content: A mark on one of the grooved pieces reads: TR R d. A mark on one piece of the frame reads: 18-S4. A mark on the opposite piece of the frame reads: 18-S5. The plastic tag is missing.
label: Description
content: A screw multiplier is listed in the accession file as Ford Instrument Company #66. The description reads: Performs multiplication functions. This was originally a three unit multiplier, however, it has been canabilized [sic] to the extent that only one unit is left.”
label: Description
content: Reference:
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: 1982.0751.31
label: accession number
content: 1982.0751
label: catalog number
content: 1982.0751.31
objectType: label: Object Name
content: analog computing component
physicalDescription: label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 9 cm x 37 cm x 38.3 cm; 3 17/32 in x 14 9/16 in x 15 3/32 in