Adding Machine Section, Burroughs Model 653

This is one of a series of adding machines and adding machine models prepared by the Patent Department of the Burroughs Adding Machine Company. This model of part of an adding machine is a steel mechanism with one column of nine octagonal black plastic keys and two numeral wheels with black plastic rims. Keys for odd digits are concave, and flat for even digits. Complementary digits are indicated on the keys. A part of the right side is bent outward at the front. Several pieces are loose but not detached.
A metal tag attached to the object reads: B.A.M.CO. (/) MODEL (/) No. 653. it is stamped on the side: 1.A 3 - 31- ‘25.
Objects 1982.0794.04 through1982.0794.10 were received together as Burroughs Patent model 42. A red paper tag received with this group of objects reads: PATENT DEPT (/) #42.
Currently not on view
date made
ca 1925
Burroughs Adding Machine Company
place made
United States: Michigan, Detroit
Physical Description
plastic (overall material)
steel (overall material)
overall: 11.5 cm x 9.5 cm x 28.4 cm; 4 17/32 in x 3 3/4 in x 11 3/16 in
ID Number
accession number
catalog number
Credit Line
Gift of Burroughs Corporation
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Adding Machines
Data Source
National Museum of American History


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