Burroughs Class 6 Adding Machine Section

This model of a section of a Burroughs Class 6 adding machine has a steel frame painted black with one glass side and a clear plastic case along the other side. It has a single column of nine round black plastic keys. The mechanism operates. Two red keys are at the top.
The metal handle is on the right side. The section has a steel support that is glued to a wooden base. The mechanism that holds the paper tape has no paper tape and is detached from the section. Three other loose parts are included. A metal tag attached to the object reads: DONATED TO (/) The Smithsonian Institution (/) by (/) Burroughs Corporation.
The Burroughs Class 6 was introduced in 1913. This is Model #270 from the Patent Division of Burroughs Corporation.
Currently not on view
Object Name
adding machine section
date made
ca 1913
Burroughs Adding Machine Company
Physical Description
plastic (overall material)
metal (overall material)
wood (overall material)
glass (overall material)
overall: 45.2 cm x 27 cm x 39 cm; 17 25/32 in x 10 5/8 in x 15 11/32 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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