Thacher's Calculating Machine, a cylindrical slide rule, w… | Flickr
Fuller's Spiral Cylindrical Slide Rule | National Museum of American History
Fuller's Spiral Cylindrical Slide Rule | National Museum of American History
The World's Largest Commercial Cylindrical Slide Rule has a Scale Length of 24m | blog@CACM | Communications of the ACM
Cylindrical Slide Rules
Elizur Wright Arithmeter, No. 11 Cylindrical Slide Rule - CHM Revolution
Specialist Slide Rules | Whipple Museum
Techer | Thacher's Calculating Instrument
Fuller's Calculator or Cylindrical Slide Rule | Chairish
Fuller's Calculator or Cylindrical Slide Rule for sale at Pamono
At Auction: Edwin Thacher's Cylindrical Slide Rule Calculator Model 4012, c. 1915
Keuffel & Esser, Thacher Cylindrical Slide Rule | History Colorado
Antique Cylindrical Slide Rule Large Slide Rule Round Ruler - Etsy
Kaleidoscope of Insurance History
Lot 637: K&E 4015 Fuller's Spiral Cylindrical Slide Rule | Case Auctions
The World's Largest Commercial Cylindrical Slide Rule has a Scale Length of 24m | blog@CACM | Communications of the ACM
Otis King Calculator', cylindrical slide rule, England, 1920-1939 | Science Museum Group Collection
Thacher's cylindrical slide rule
Lot 971: K&E 4012 Thacher Cylindrical Slide Rule | Case Auctions
File:Loga-Calculator cylindrical slide rule, Daemen-Schmid, Zürich - Ridai Museum of Modern Science, Tokyo - DSC07494.JPG - Wikimedia Commons
John Wolff's Web Museum - Slide Rules
Swiss (Suisse) and CURTA Slide Rules
Loga-Calculator Cylindrical Slide Rule | Smithsonian Institution
Otis King Cylindrical Logaritmic Slide Rule Model \'L\'. - Gilai Collectibles
