Austin Adding Machine

This adding machine has an iron frame with glass sides, back, and top. Across the front are ten plastic-covered keys. The operating crank is on the right side. The number entered appears in one window under the glass, and the total in another window. Decimal points and commas are represented by painted arrows. There is a zeroing lever on the left side. The machine does not print. The machine is marked: AUSTIN. It is also marked: Austin Adding Machine (/) Baltimore. U.S.A. A tag attached to the base on the inside of the machine toward the back is stamped with the serial number: A-1224.
The donor acquired this machine in the early 1960s from a veterinarian’s office, where it had remained after the doctor passed away in the early 1930s.
Sydney B. Austin, “Adding, Subtracting and Multiplying Machine,” US Patent 1,034565, August 6, 1912.
E. Martin, The Calculating Machines (Die Rechenmaschinen), trans. P. A. Kidwell and M. R. Williams, Cambridge: MIT Press, 1992, p. 267.
Accession File.
Currently not on view
Object Name
adding machine
date made
Austin Adding Machine Company
Physical Description
iron (overall material)
glass (overall material)
plastic (overall material)
overall: 20.5 cm x 27.5 cm x 35.5 cm; 8 1/16 in x 10 13/16 in x 13 31/32 in
place made
United States: Maryland, Baltimore
ID Number
accession number
catalog 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 Richard Peshek
Additional Media

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