Thacher cylindrical slide rule | Simanaitis Says
Otis King's" cylindrical slide rule for calculati | Science Museum Group Collection
Late 1950's Otis King Model K type B/C Hybrid cylindrical slide rule calculator | eBay
Keuffel & Esser 1741 Thacher Cylindrical Slide Rule | National Museum of American History
Cylindrical Slide Rules
My Slide Rule Collection
The World's Largest Commercial Cylindrical Slide Rule has a Scale Length of 24m | blog@CACM | Communications of the ACM
A cylindrical form of slide rule made by McFarlane. Cylindrical slide... News Photo - Getty Images
Oughtred Society Slide Rule History.
Slide Rules -- Cylindrical Slide Rules | National Museum of American History
Otis King Cylindrical Slide Rule Calculator Model 'K' - Gilai Collectibles
Slide rule - Wikipedia
Cylindrical Slide Rule Calculator By Loga, Switzerland. - Gilai Collectibles
Switzerland/CURTA
Loga - Calculator Cylindrical Slide Rule Zurich 1930 RARE | Slide rule, Math instruction, Slide
Switzerland/CURTA
Cylindrical Slide Rules
Fuller Cylindrical Calculator - slide rule | Collectors Weekly
Otis King Cylindrical Logaritmic Slide Rule Model \'L\'. - Gilai Collectibles
Hand-made cylindrical slide rule
Fullers Calculator cylindrical slide rule, Stanley of London, circa 1950
Cylindrical Slide Rules
Keuffel & Esser 4013 Thacher Cylindrical Slide Rule | National Museum of American History
