Analog Computing Component - Integrator from the ASN-7 Aircraft Navigation Computer
date: label: date made
content: ca 1956
name: label: maker
content: Ford Instrument Company
notes: label: Description
content: This component has an aluminum frame and three gears on top. It appears to have two similar mechanisms on the inside – each includes a shaft, a screw with linkages, and a cylinder turned by rotating a gear on the outside. These gears are unequal but are linked by a third, double gear on the outside. A number on the side of the frame with gears reads: 70-577. A mark on both of the mechanisms that move along screws on the inside reads: 51-520. A plasticized tag on the side of the frame reads: #78a.
label: Description
content: Objects 1982.0751.35, 1982.0751.36, and 1982.0751.37 are stored together in a wooden box lined with fabric that has a black handle. A tag on it reads: #78 Integrators 78a, 78b, 78c. The handle has two paper labels attached to it with string. One reads: Grand Central Terminal (/) Red Cap Service (/) Serial Number 35773 Red Cap Number 137. The other reads: No. 83583 Q.
label: Description
content: According to the accession file, this is an integrator described as: Two unit used on ASN-7 Aircraft Navigation System.
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
label: See more items in
content: Mechanical Integrators and Analyzers
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: 1982.0751.35
label: accession number
content: 1982.0751
label: catalog number
content: 1982.0751.35
objectType: label: Object Name
content: analog computing component
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: wood, fabric, metal (case material)
label: Measurements
content: overall: 11.3 cm x 11.5 cm x 10 cm; 4 7/16 in x 4 17/32 in x 3 15/16 in