Millionaire Calculating Machine Component

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Description
This object was collected by Brooklyn high school teacher and historian of mathematics L. Leland Locke. The toothed brass bar is grooved on the bottom with a flat steel strip attached in the groove.
Compare to 311943.
Location
Currently not on view
maker
Hans W. Egli
place made
Schweiz: Zürich, Zurich
Physical Description
steel (overall material)
brass (overall material)
Measurements
overall: .6 cm x 31.5 cm x 1 cm; 1/4 in x 12 13/32 in x 13/32 in
ID Number
1983.3003.016
nonaccession number
1983.3003
catalog number
1983.3003.016
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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