Keuffel & Esser 4013 Thacher Cylindrical Slide Rule Exhibit Label

This cardboard describes a Thacher cylindrical slide rule with a magnifying glass that was manufactured and sold by Keuffel & Esser of New York in the early 20th century as model 4013. (In the late 19th century, K&E numbered the instrument as 1741.) It apparently was used as an exhibit label around 1966 at the Museum of Science & Industry in Chicago, the previous owner of the related instrument.
See also MA*327886.
Currently not on view
Object Name
date made
ca 1966
Museum of Science and Industry
Physical Description
paper (overall material)
overall: 25.4 cm x 19 cm x .1 cm; 10 in x 7 15/32 in x 1/32 in
place made
United States: Illinois, Chicago
ID Number
accession number
catalog number
Rule, Calculating
Museums and Galleries
Slide Rules
Science & Mathematics
See more items in
Medicine and Science: Mathematics
Slide Rules
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of the Museum of Science and Industry, Chicago

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