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Controller Calculating Machine Components

Controller Calculating Machine Components

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These components are six round steel shafts, each carrying a metal stepped drum and related components. Five of them are marked with the number of the Museums of the Peaceful Arts: 27-70. A sixth shaft had no mark.
Compare to 1983.3003.38.
Currently not on view
Object Name
calculating machine components
Controller Company
place made
United States: New York, New York City
Physical Description
steel (overall material)
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
nonaccession number
catalog number
Credit Line
Gift of L. Leland Locke
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Calculating Machines
Data Source
National Museum of American History
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