Smithsonian museums continue to be closed to support the effort to contain the spread of COVID-19. Read a message from our director, and check our website and social media for updates.

Dalton Little Giant Adding Machine

Dalton Little Giant Adding Machine

<< >>
Usage conditions apply
This ten-key printing manual machine has a steel frame painted black, a metal mechanism, and ten white plastic numeral keys in two rows. Complementary digits on the keys are in red. Numbers up to seven digits long may be entered. There are black plastic non-add, multiply, back space, subtract, total, and subtotal keys, and a metal correction bar. Above the number keys is a place indicator. The printing mechanism has a black tape and a non-print key. Behind it is a 6 inch carriage, with paper tape. Results up to seven digits long may be printed. A serrated edge above the platen is for tearing off the paper tape. The handles of the carriage and crank are of a red substance that is corroding. There are four rubber feet.
The machine is marked on the front: Dalton (/) CINCINNATI, OHIO. (/) U.S.A. It is marked under the crank: NO124864. It is marked on the back: DALTON (/) ADDING-CALCULATING MACHINE (/) PATENTED.
According to the accession file, the machine was purchased secondhand in about 1938 for use in the Partello construction business. It was used until the owners retired in 1960.
J. H. McCarthy, The American Digest of Business Machines, Chicago: American Exchange Service, 1924, pp. 536.
Currently not on view
Object Name
adding machine
date made
Dalton Adding Machine Company
place made
United States: Ohio, Cincinnati
Physical Description
steel (overall material)
rubber (overall material)
paper (overall material)
plastic (overall material)
overall: 35.5 cm x 28.5 cm x 36.2 cm; 13 31/32 in x 11 7/32 in x 14 1/4 in
ID Number
nonaccession number
maker number
catalog number
Credit Line
Gift of Mary L. Partello
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Adding Machines
Data Source
National Museum of American History
Nominate this object for photography.   

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.


Add a comment about this object