Our museum is temporarily 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.

Manual for Gilson Midget Circular Slide Rule

Manual for Gilson Midget Circular Slide Rule

Usage conditions apply
This twelve-page booklet was received with 1998.0119.01. It provides instructions for using the Midget circular slide rule manufactured by Gilson Slide Rule Company of Stuart, Fla. It describes each of the scales and gives a sample problem for computing a merchant's overhead costs as a percentage of profit. It advertises Gilson's Atlas and Binary slide rules and provides a list of formulas and equivalent measurements.
Currently not on view
Object Name
date made
ca 1940
Gilson Slide Rule Company
place made
United States: Florida, Stuart
Physical Description
paper (overall material)
overall: 9.2 cm x 16 cm x.2 cm; 3 5/8 in x 6 5/16 in x 3/32 in
ID Number
catalog number
accession number
Credit Line
Gift of Donald F. Mela
Rule, Calculating
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Slide Rules
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