Category:Circular slide rules

Subcategories

This category has the following 5 subcategories, out of 5 total.

Media in category "Circular slide rules"

The following 52 files are in this category, out of 52 total.

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  Adding machine 1950s.jpg 1,024 × 768; 238 KB
  
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  BIO-DAB-Kalkulator Albert J. Dietziker.JPG 4,608 × 3,456; 1.74 MB
  
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  BIO-DAB-System.jpg 135 × 135; 6 KB
  
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  Boucher's Calculator (2102323383).jpg 2,256 × 1,496; 934 KB
  
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  Calculigraphe-FC.jpg 1,453 × 1,793; 211 KB
  
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  Cercle a calcul photo.jpg 765 × 775; 67 KB
  
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  Circular slide rule diagram svg.svg 797 × 797; 35 KB
  
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  Circular slide rule diagram.pdf 1,327 × 1,327; 13 KB
  
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  Circular slide rule on the rim of a snuff box (2957399593).jpg 3,872 × 2,592; 2.56 MB
  
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  Circular slide rule.JPG 1,126 × 1,101; 104 KB
  
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  Circular slide rule.jpg 2,121 × 2,046; 703 KB
  
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  Concise Circular Slide Rule.jpg 2,932 × 3,209; 889 KB
  
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  Csl.JPG 633 × 575; 69 KB
  
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  German submarine computer at IMWWII.agr.jpg 3,228 × 1,200; 2.38 MB
  
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  Gilson Atlas Circular Slide Rule.jpg 2,560 × 1,920; 837 KB
  
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  Erica Harris 2003 (cropped).jpg 1,312 × 1,817; 469 KB
  
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  US Navy 030320-N-8273J-007 Aerographer's Mate 3rd Class Erica Harris from Warner Robins, Ga., uses a psychometric computer temperature wheel to calculate the dew point from the weather office the aircraft carrier USS Nimitz (CV.jpg 1,312 × 2,000; 264 KB
  
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  J.B. Carroll Co. - Lovelace Foundation, Nuclear Bomb Effects Computer.agr.jpg 2,278 × 2,612; 3.43 MB
  
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  Locomotive engineering - a practical journal of railway motive power and rolling stock (1897) (14781352453).jpg 2,976 × 2,336; 796 KB
  
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  Lord's Calculator 1880 at CHM.jpg 1,837 × 1,987; 504 KB
  
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  Norma Studia 100 Rechenscheibe.jpg 2,810 × 2,684; 2.07 MB
  
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  Oughtred's circular slide rule with sundial on reverse, Elias Allen, London, c. 1633-1640 - Putnam Gallery - Harvard University - DSC07908.jpg 3,421 × 3,526; 5.37 MB
  
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  Palmer's pocket scale.jpg 2,160 × 3,520; 1.97 MB
  
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  Rechenscheibe Schaerfentiefe.jpg 1,216 × 1,192; 1.3 MB
  
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  Rechenscheibe-Rechenschieber-Circular-slide-rules.jpg 2,463 × 2,517; 2.93 MB
  
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  Reproduction calculator hg.jpg 1,848 × 1,848; 239 KB
  
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  RotaRule-Photo-Back-04.jpg 2,304 × 2,247; 1.39 MB
  
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  RotaRule-Photo-Front-04.jpg 2,304 × 2,578; 1.62 MB
  
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  Russian circular slide rule (model KL-1).jpg 5,120 × 2,560; 2.89 MB
  
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  Seki's Salon Exposure Meter - Ridai Museum of Modern Science, Tokyo - DSC07488.JPG 5,148 × 2,719; 7.26 MB
  
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  Slide rule pocket watch.jpg 3,000 × 2,000; 470 KB
  
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  Sliderule.jpg 500 × 375; 62 KB
  
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  Tabela naswietlan d.jpg 1,024 × 512; 130 KB
  
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  Telefon-tarifrechner-1996-mo-fr-freizeit-03.jpg 937 × 953; 984 KB
  
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  Telefon-tarifrechner-1996-mo-fr-mondschein-04.jpg 942 × 949; 829 KB
  
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  Telefon-tarifrechner-1996-mo-fr-nachmittag-02.jpg 942 × 957; 828 KB
  
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  Telefon-tarifrechner-1996-mo-fr-nacht-05.jpg 952 × 964; 830 KB
  
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  Telefon-tarifrechner-1996-mo-fr-vormittag-01.jpg 957 × 957; 815 KB
  
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  Telefon-tarifrechner-1996-sa-so-feiertag-freizeit-06.jpg 942 × 953; 761 KB
  
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  Telefon-tarifrechner-1996-sa-so-feiertag-mondschein-07.jpg 948 × 963; 807 KB
  
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  The Furmeter - automatic fur estimating chart, 1929.jpg 790 × 1,213; 850 KB
  
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  Two circular slides rule 1.JPG 3,872 × 2,592; 3.63 MB
  
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  Two circular slides rule 2.JPG 3,743 × 2,318; 3.51 MB
  
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  US Navy 070406-N-4009P-186 Aerographer's Mate 3rd Class Heath Collins, from Kirbyville, Texas, uses a psychometric calculator to determine the dew point and relative humidity for the current location of Nimitz-class aircr.jpg 2,000 × 1,312; 599 KB
  
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  Vintage Biomate Handheld Biorhythm Calculator, Certified by the Japan Biorhythm Association, Circa 1970s (11574465133).jpg 2,876 × 3,257; 2.62 MB
  
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  Vintage Circular Mechanical Dial Engineering Calculator.jpg 2,000 × 1,800; 2.46 MB
  
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  Vintage Compass Midget Circular Slide Rule, Copyrighted 1931 & 1936, Made In The USA, 4.25 Inches In Diameter, Compass Instrument And Optical Company, New York (27287208922).jpg 2,834 × 2,780; 3.26 MB
  
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  Vintage Compass Midget Circular Slide Rule, Copyrighted 1931 & 1936, Made In The USA, 4.25 Inches In Diameter, Compass Instrument And Optical Company, New York (Reverse Side) (26778654063).jpg 2,208 × 1,964; 1.71 MB
  
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  Vintage Concise Model 28 Circular Slide Rule, Made In Japan, Circa 1960s (15807077873).jpg 2,942 × 2,562; 2.85 MB
  
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  Vintage Concise Model 28 Circular Slide Rule, Made In Japan, Circa 1960s (16240893439).jpg 3,101 × 2,721; 3 MB
  
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  Vintage Concise Model 600 Circular Slide Rule And Science Table Inserts, Designed By Sama & Etani In USA, Accompanying Booklet Copyrighted 1974, Promotional Item For Rheem Manufacturing Company, Made In Japan (23973776109).jpg 2,840 × 1,941; 2.48 MB
  
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  Washington-Ferrero H-39.JPG 2,560 × 1,920; 1.05 MB