Burroughs Adding Machine Model

This is a wooden dummy model of the case of a ten-key printing electric adding machine. It has black plastic keys keys and a frame, but no mechanism. The number keys are in a block with a zero bar below. Left of these are ERROR and REPEAT keys. Right of these are SUB[()TOTAL, and TOTAL keys, as well as a key stem (without a key) and a black bar. There is a place for a place indicator. A 4-inch carriage is at the back of the machine, and there are four rubber feet.
A red tag attached to the object reads: PATENT DEPT. (/) #161. A metal tag attached to the object reads: DONATED TO (/) The Smithsonian Institution (/) by (/) Burroughs Corporation.
This model, along with 1982.0794.28, was #161 in the collections of the Patent Division of Burroughs Corporation. The shape, placement and color of the function keys are different on this object than on 1982.0794.27.
Currently not on view
Object Name
adding machine model
date made
ca 1950
Burroughs Adding Machine Company
Physical Description
wood (overall material)
rubber (overall material)
plastic (overall material)
overall: 16.5 cm x 17 cm x 28.5 cm; 6 1/2 in x 6 11/16 in x 11 7/32 in
place made
United States: Michigan, Detroit
ID Number
accession number
catalog number
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Adding Machines
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of Burroughs Corporation
Additional Media

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