Controller Calculating Machine Components

Description
These objects were collected by Brooklyn high school teacher and historian of mathematics L. Leland Locke. Dimensions are for each of the nine components. Each is a steel shaft that is round for most of its length but rectangular at one end. Several pieces may fit along a shaft.
Compare to 311948.
Location
Currently not on view
maker
Controller Company
place made
United States: New York, New York
Physical Description
metal (overall material)
Measurements
overall: 2.8 cm x 26 cm x 2.8 cm; 1 3/32 in x 10 1/4 in x 1 3/32 in
ID Number
1983.3003.018
nonaccession number
1983.3003
catalog number
1983.3003.018
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