Wizard Calculating Machine

This notched band adder has nine bands, eight bracket-shaped columns, and nine display windows. It has a black plastic back, a metal cover plate, and a metal stylus. A zeroing bar is across the top. The stylus fits on the side. There are two rows of numbers alongside the columns, one for addition and one for subtraction. There are no numbers along the extreme edges of the columns on either side. The machine was imported from West Germany.
Compare to 1980.0787.01 and 2013.0197.01.
Currently not on view
Object Name
date made
ca 1955
Thoresen, Inc.
Physical Description
metal (overall material)
plastic (overall material)
overall: .8 cm x 8.2 cm x 14 cm; 5/16 in x 3 7/32 in x 5 1/2 in
place made
West Germany
place distributed
United States: New York, New York
ID Number
accession number
catalog number
Science & Mathematics
See more items in
Medicine and Science: Mathematics
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of S.H. Oliver

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