Drums for Frontlash Units from the Bush Differential Analyzer
date: label: date made
content: ca 1930
name: label: maker
content: Bush, Vannevar
notes: label: Description
content: These two flat round brass discs both have a hole down the middle for a shaft; a circle of smaller holes near the edge; and an indentation around the rim to hold a friction band (no friction band). Each has a small gear on one end. These are drums from frontlash units (compare to 1983.3002.04).
label: Description
content: Parts of the Bush differential analyzer surviving at the Smithsonian have museum numbers MA.314824 and 1983.3002.01 through 1983.3002.89.
label: Location
content: Currently not on view
place: label: place made
content: United States: Massachusetts, Cambridge
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
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content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Wayne State University, College of Liberal Arts, Computation Laboratory
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1983.3002.39
label: catalog number
content: 1983.3002.39
label: nonaccession number
content: 1983.3002
objectType: label: Object Name
content: Differential Analyzer Components
physicalDescription: label: Physical Description
content: brass (overall material)
label: Measurements
content: overall: 1.5 cm x 6.4 cm x 6.4 cm; 19/32 in x 2 17/32 in x 2 17/32 in