Cylindrical Slide Rule
Dec. 24, 2024
The World's Largest Commercial Cylindrical Slide Rule has a Scale Length of 24m | blog@CACM | Communications of the ACM Cylindrical Slide Rules Loga-Calculator Cylindrical Slide Rule | Smithsonian Institution Otis King Calculator', cylindrical slide rule, England, 1920-1939 | Science Museum Group Collection | Cylindrical Slide Rule