Available

Cylindrical Slide Rule by Otis

Catalog no. 3327189

Size10 inches open, 6 inches closed
DateCirca 1922

Call the gallery +1 (949) 677-5713 Arrange a visit to see it in person

Otis Carter Formby King invented this form of slide rule in 1921, and Carbic Limited of London, England, manufactured it until 1972. The telescoping rule is…

About this work

Otis Carter Formby King invented this form of slide rule in 1921, and Carbic Limited of London, England, manufactured it until 1972. The telescoping rule is ten inches long when extended and equivalent to a rectangular slide rule 66 feet in length. A later version of this instrument is in the collection of the Smithsonian Institution.

View all in Navigation & Globes

Malby and Son Celestial Globe
Available
German Terrestrial Globe
Available
Crams Universal Terrestrial Globe
Available
Felki & Sons Geared Tellurium
Available

You may also like

Malby and Son Celestial Globe

German Terrestrial Globe

Crams Universal Terrestrial Globe

Felki & Sons Geared Tellurium