Calculating Machine Components

Description
These objects were collected by Brooklyn high school teacher and historian of mathematics L. Leland Locke. Each of the four flat brass gears has the dimensions given.
Location
Currently not on view
Physical Description
brass (overall material)
Measurements
overall: .2 cm x 3.3 cm x 3.3 cm; 3/32 in x 1 5/16 in x 1 5/16 in
ID Number
1983.3003.028
nonaccession number
1983.3003
catalog number
1983.3003.028
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