Calculating Machine Components

Description
These objects were collected by Brooklyn high school teacher and historian of mathematics L. Leland Locke. Each of the fifteen flat steel discs, has a small hole in the center.
Location
Currently not on view
Physical Description
metal (overall material)
Measurements
overall: .1 cm x 2 cm x 2 cm; 1/32 in x 25/32 in x 25/32 in
ID Number
1983.3003.041
nonaccession number
1983.3003
catalog number
1983.3003.041
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