Controller 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 component consists of a frame supporting a shaft with ten gear wheels, a more complex mechanism, and a gear wheel that links to a crank with a black wooden handle. At the top of the more complex mechanism is a cam-shaped piece marked "Add." and "Mult."
Compare to 311948.
Location
Currently not on view
maker
Controller Company
place made
United States: New York, New York
Physical Description
wood (overall material)
ferrous metal (overall material)
Measurements
overall: 13.7 cm x 29 cm x 8 cm; 5 13/32 in x 11 13/32 in x 3 5/32 in
ID Number
1983.3003.003
nonaccession number
1983.3003
catalog number
1983.3003.003
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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