Wizard Calculating Machine

Description
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.
Location
Currently not on view
Object Name
adder
date made
ca 1955
distributor
Thoresen, Inc.
Physical Description
metal (overall material)
plastic (overall material)
Measurements
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
MA*336448
accession number
1977.1159
catalog number
336448
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Adder
Data Source
National Museum of American History, Kenneth E. Behring Center

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