Incomplete Frontlash Unit from the Bush Differential Analyzer


This steel shaft carries a steel cylinder next to a thin rotating brass drum. A friction band goes around the drum and a planetary gear train links it to a steel disc. The disc is marked: 4. There is no endpiece.

Compare 1983.3002.04, 1983.3002.09, and 1983.3002.11.

Parts of the Bush differential analyzer at NMAH have museum numbers MA.314824 and 1983.3002.01 through 1983.3002.89.

Date Made: ca 1930

Maker: Bush, Vannevar

Location: Currently not on view

Place Made: United States: Massachusetts, Cambridge

Subject: Mathematics


See more items in: Medicine and Science: Mathematics, Mechanical Integrators and Analyzers, Science & Mathematics


Exhibition Location:

Credit Line: Gift of Wayne State University, College of Liberal Arts, Computation Laboratory

Data Source: National Museum of American History

Id Number: 1983.3002.10Nonaccession Number: 1983.3002Catalog Number: 1983.3002.10

Object Name: Differential Analyzer ComponentOther Terms: Differential Analyzer Component; Frontlash Unit (Incomplete)

Physical Description: steel (overall material)brass (overall material)Measurements: overall: 6.8 cm x 28 cm x 10 cm; 2 11/16 in x 11 1/32 in x 3 15/16 in


Record Id: nmah_693241

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