Brunsviga Calculating Machine Component

Brunsviga 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. A shaft rests in a frame. It carries a set of thirteen numeral wheels and a set of eight smaller numeral wheels. The digits on the first set of wheels are white, those on the second set white and red. Wing nuts for zeroing are at each end, a bell is on the left, and a lever is in front.
Compare 313426.
Currently not on view
Object Name
calculating machine component
Grimme, Natalis & Co.
Physical Description
steel (overall material)
brass (overall material)
overall: 6.5 cm x 29 cm x 8.8 cm; 2 9/16 in x 11 13/32 in x 3 15/32 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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