Calculating Machine Components


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

Subject: Mathematics


See more items in: Medicine and Science: Mathematics, Calculating Machines, Science & Mathematics


Exhibition Location:

Credit Line: Gift of L. Leland Locke

Data Source: National Museum of American History

Id Number: 1983.3003.041Nonaccession Number: 1983.3003Catalog Number: 1983.3003.041

Object Name: calculating machine components

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


Record Id: nmah_689914

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