Racz Tally Roll Adding Machine Carriage

This model consists of a metal and plastic carriage, with a wide carriage at the front and a container for a narrow roll of paper at the back. There is no mechanism or paper tape. The outside metal is painted tan.
A red paper tag attached to the machine reads: PATENT DEPT. (/) #173. It was model #173 in the collection of the Patent Division of Burroughs Corporation. A metal tag attached to the object reads: B.A.M.CO. (/) MODEL (/) NO 1018. A metal tag attached to the object reads: DONATED TO (/) The Smithsonian Institution (/) by (/) Burroughs Corporation.
Between 1927 and 1942, Burroughs Adding Machine Company inventor Ernst Racz filed several patent applications for improvements in the printing and arrangement of paper tapes and receipts on adding machines. This is one of them.
Currently not on view
Object Name
adding machine model
date made
ca 1927-1942
Burroughs Adding Machine Company
Physical Description
plastic (overall material)
paper (overall material)
metal (overall material)
overall: 26.2 cm x 56 cm x 31 cm; 10 5/16 in x 22 1/16 in x 12 7/32 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


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