Dalton Adding Machine

This ten-key printing manually operated adding machine is in a gray steel case. It has ten white plastic number keys in two rows. These keys have complementary numbers for subtraction, and eight brown plastic function keys. The NON (/) ADD and MULTI-(/)PLY keys are left of the number keys, the BACK (/) SPACE and SUB-(/)TRACT keys are right of the number keys. There are TOTAL, RELEASE, and SUB (/) TOTAL keys on the upper right, and a correction bar on the left. There is a NON (/) PRINT key next to the black ribbon.
A place indicator is above the number keys. Above and behind this are the ribbon, 4” carriage, and paper tape holder. There is no paper tape, but there is a serrated edge for tearing the paper tape. The Dalton mark on the back has been painted over. A metal crank with wooden handle is on the right side.
The serial number given under the crank is: NO 174012. A label applied to the front and back of the machine reads: Eastern Typewriter Co. Office & School Supplies 109-111 W. Barnes St. Wilson N.C. Phone 4504.
According to a note in the divisional accession file, the object was salvaged from a garage in Fremont, N.C., about 1968.
Compare to MA*336932 and MA*333874.
Currently not on view
Object Name
adding machine
date made
Dalton Adding Machine Company
Physical Description
metal (overall material)
rubber (overall material)
wood (overall material)
plastic (overall material)
overall: 37 cm x 28 cm x 35 cm; 14 9/16 in x 11 1/32 in x 13 25/32 in
place made
United States: Ohio, Cincinnati
ID Number
accession number
maker 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 Stephen Forrest

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