Burroughs Class 1 Adding Machine Section

This model is a section of a Burroughs Class 1 adding machine. It has a metal, glass, and plexiglass frame with one bank of round black plastic keys, two numeral wheels at the front toward the bottom (visible through the case), and related mechanism, including a dash pot. A paper tape holder, a carriage for the paper tape, and a crank with wooden handle are present. There is no paper tape. A steel bar attached at the base screws into a wooden stand.
The section is marked on the stand: Burroughs. A red tag attached to it reads: PATENT DEPT. (/) #268.
The Burroughs Class 1 was introduced in 1895.
Currently not on view
Object Name
adding machine section
date made
ca 1895
Burroughs Adding Machine Company
Physical Description
plastic (overall material)
metal (overall material)
glass (overall material)
rubber (overall material)
wood (overall material)
overall: 39 cm x 24.2 cm x 49 cm; 15 11/32 in x 9 17/32 in x 19 9/32 in
place made
United States: Missouri, St. Louis
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


Add a comment about this object