Controller Calculating Machine Components

Description
These objects were collected by Brooklyn high school teacher and historian of mathematics L. Leland Locke. The nine hollow brass pieces each have two protruding gearwheels, one at each end. They are like the components of 1983.3003.22, but slightly longer. Dimensions given are of each object.
Location
Currently not on view
maker
Controller Company
place made
United States: New York, New York
Physical Description
brass (overall material)
Measurements
overall: 2 cm x 3.3 cm x 2 cm; 25/32 in x 1 5/16 in x 25/32 in
ID Number
1983.3003.023
nonaccession number
1983.3003
catalog number
1983.3003.023
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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