Adding Machine Section, Burroughs Model 653

Description
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.
Location
Currently not on view
Object Name
adding machine model
date made
ca 1925
maker
Burroughs Adding Machine Company
Physical Description
plastic (overall material)
steel (overall material)
Measurements
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
place made
United States: Michigan, Detroit
ID Number
1982.0794.08
accession number
1982.0794
catalog number
1982.0794.08
subject
Mathematics
Science & Mathematics
Adding Machines
See more items in
Medicine and Science: Mathematics
Adding Machines
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of Burroughs Corporation

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