Marchant Calculating Machine Component

Marchant Calculating Machine Component

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This object was collected by Brooklyn high school teacher and historian of mathematics L. Leland Locke and held by the Museums of the Peaceful Arts in New York City before coming to the Smithsonian. The mechanism has an array of nine pinwheels with nine intermediate wheels and four circular segments. All these parts are on a single shaft.
Currently not on view
Object Name
calculating machine component
Marchant Calculators
Physical Description
steel (overall material)
brass (overall material)
overall: 6.8 cm x 12.7 cm x 6.8 cm; 2 11/16 in x 5 in x 2 11/16 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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