As a public health precaution due to COVID-19, all Smithsonian museums and the National Zoo are temporarily closed. We are not announcing a reopening date at this time and will provide updates on our website and social media.

Controller Calculating Machine Components

Controller Calculating Machine Components

<< >>
Usage conditions apply
These components are six round steel shafts, each carrying a metal stepped drum and related components. Five of them are marked with the number of the Museums of the Peaceful Arts: 27-70. A sixth shaft had no mark.
Compare to 1983.3003.38.
Currently not on view
Object Name
calculating machine components
Controller Company
place made
United States: New York, New York City
Physical Description
steel (overall material)
overall: 2.5 cm x 25.5 cm x 2.5 cm; 31/32 in x 10 1/32 in x 31/32 in
ID Number
nonaccession number
catalog number
Credit Line
Gift of L. Leland Locke
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Calculating 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