TIM Calculating Machine Component

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Description
This object was collected by Brooklyn high school teacher and historian of mathematics L. Leland Locke and held by the Museums of the Peaceful Arts in New York City before coming to the Smithsonian. The black and silver-colored metal component consists of eight number wheels on a frame. Each wheel is moved by moving a lever and spring mechanism. Underneath seven of the wheels is a metal cylinder, with all cylinders protruding from a common shaft.
Compare to 321541.
Location
Currently not on view
maker
Ludwig Spitz & Co.
Physical Description
ferrous metal (overall material)
Measurements
overall: 6.5 cm x 37.3 cm x 7.4 cm; 2 9/16 in x 14 11/16 in x 2 29/32 in
ID Number
1983.3003.004
nonaccession number
1983.3003
catalog number
1983.3003.004
Credit Line
Gift of L. Leland Locke
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Calculating Machines
Data Source
National Museum of American History

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