Controller Calculating Machine Components

Description:

These objects were collected by Brooklyn high school teacher and historian of mathematics L. Leland Locke. The three small hollow pieces each have a steel plate with curved sides at the top that is attached to a brass piece that carries a gear. Pieces like this are found on the shaft of 1983.3003.18. Also compare to 311943.

Maker: Controller Company

Location: Currently not on view

Place Made: United States: New York, New York City

Subject: Mathematics

Subject:

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

Exhibition:

Exhibition Location:

Credit Line: Gift of L. Leland Locke

Data Source: National Museum of American History

Id Number: 1983.3003.024Nonaccession Number: 1983.3003Catalog Number: 1983.3003.024

Object Name: calculating machine components

Physical Description: metal (overall material)Measurements: overall: 2.4 cm x 2.5 cm x 2.5 cm; 15/16 in x 31/32 in x 31/32 in

Guid: http://n2t.net/ark:/65665/ng49ca746a5-0d8d-704b-e053-15f76fa0b4fa

Record Id: nmah_689897

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