Controller Calculating Machine Components

Description
These three round steel shafts were collected by Brooklyn high school teacher and historian of mathematics L. Leland Locke. One carries a stepped drum and all have other components on them. The dimensions given are those of each object.
Compare objects1983.3003.19 and 311943.
Location
Currently not on view
maker
Controller Company
place made
United States: New York, New York
Physical Description
metal (overall material)
Measurements
overall: 2.5 cm x 25.5 cm x 2.5 cm; 31/32 in x 10 1/32 in x 31/32 in
ID Number
1983.3003.038
nonaccession number
1983.3003
catalog number
1983.3003.038
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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