Burroughs Series P Belt Drive

This Burroughs adding machine has largely steel parts, a metal bottom and keyboard painted brown, and white and tan square plastic keys. It has eight columns of keys, with nine keys in each column. In addition to the four labeled function keys, there are two function key stems with no covers. Numbers with up to eight digits, as well as one character, print. It has no case, and there are several loose pieces in the back of the machine.
A red paper tag attached to the machine reads: PATENT DEPT. (/) #219. With 1982.0794.43, this is model #219 from the Patent Division of Burroughs Corporation. A metal tag at the front of the machine is marked: A3531-2.
The Burroughs Series P was introduced in 1949, and this machine presumably dates from about that time.
Currently not on view
Object Name
adding machine model
date made
ca 1950
Burroughs Adding Machine Company
Physical Description
plastic (overall material)
paper (overall material)
metal (overall material)
overall: 19 cm x 22.6 cm x 34 cm; 7 15/32 in x 8 29/32 in x 13 3/8 in
place made
United States: Michigan, Detroit
ID Number
catalog number
accession 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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