Dalton Super Model Adding Machine

This ten-key listing electric adding machine has a metal frame painted black. There are two rows of white number keys, with the complements of numbers indicated. aanon-add, multiply, backspace, and subtract keys are around the sides of the number keys. A correction bar and place indicator are above the keyboard. Total and subtotal keys are to the right of a silver-colored window above the keyboard. Behind are the printing mechanism and a wide carriage. At presnt, the machine lacks a ribbon, but there is residue of a two-color ribbon. The operating crank is on the right side, and the motor below. One may enter numbers up to nine digits long.
The machine is marked on the carriage: Dalton (/) ADDING, (/) LISTING AND (/) CALCULATING MACHINE. It is marked at the front: Dalton (/) CINCINNATI, OHIO. (/) U.S.A. The serial number under the crank is: NO107591.
The machine sits on a black base (1984.0492.02), which is on a metal stand with a wooden drop leaf. The stand has museum number 1984.0492.03 and serial number 815667. Dimensions for machine, base, and stand are 60 cm. w. x 57 cm. d. x 110.5 cm. h. Dimensions of stand with kick stand down are 59 cm. w. x 48.5 cm. d. x 80 cm. h. The stand has four rubber wheels.
Compare 1986.0977.01.
J. H. McCarthy, The American Digest of Business Machines, Chicago: American Exchange Service, 1924, p. 536.
Currently not on view
Object Name
adding machine
date made
1921 or 1922
Dalton Adding Machine Company
Physical Description
metal (overall material)
wood (overall material)
paper (overall material)
plastic (overall material)
overall: 33.2 cm x 36 cm x 36.5 cm; 13 1/16 in x 14 3/16 in x 14 3/8 in
place made
United States: Ohio, Cincinnati
ID Number
accession number
maker number
catalog 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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