Integraph Unit of Vannevar Bush

Integraph Unit of Vannevar Bush

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Description
This is the integraph-unit used by Vannevar Bush before he constructed his first differential analyzer. It consists of a Thomson watthour meter (in a box) with a geat train on under the box that has a crank at the rear. A nameplate on the meter reads: Thomson watthour meter / direct current / 3 wire / No 5813227 Type 06 / Amp 10 Volts 231-240 / m27778 General Electric Co. U.S.A.
The object came in with a large collection of electrical apparatus, much of it in the Electricity collections.
Location
Currently not on view
Object Name
integraph
date made
ca 1920
maker
Bush, Vannevar
place made
United States: Massachusetts, Cambridge
Physical Description
metal (overall material)
wood (overall material)
rubber (overall material)
glass (overall material)
Measurements
overall: 63.5 cm x 28 cm x 37 cm; 25 in x 11 1/32 in x 14 9/16 in
box: 12 1/2 in x 7 in x 7 in; 31.75 cm x 17.78 cm x 17.78 cm
ID Number
MA.322186
catalog number
322186
accession number
244197
Credit Line
Gift of Massachusetts Institute of Technology, Department of Electrical Engineering
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Data Source
National Museum of American History
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