Burroughs Class 4 Adding Machine Section

This section of a Burroughs Class 4 adding machine has a metal mechanism with a black metal case and handle, a black wooden knob on the handle, and a dark brown wooden base with a felt bottom. The case is open on one side. Thesingle column of black plastic keys has keys numbered 1 to 9. Also part of the model are a white repeat key, part of a carriage, a paper tape holder, two numeral wheels at the front, and a metal handle.
The model has a metal support that attaches to a wooden base. This is model #243 from the Patent Division of Burroughs Corporation. The Burroughs Class 4 was introduced in 1912.
Currently not on view
Object Name
adding machine section
date made
ca 1912
Burroughs Adding Machine Company
Physical Description
plastic (overall material)
metal (overall material)
wood (overall material)
felt (overall material)
overall: 46 cm x 50 cm x 21.6 cm; 18 1/8 in x 19 11/16 in x 8 1/2 in
place made
United States: Michigan, Detroit
ID Number
catalog number
accession number
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
Additional Media

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