Slide Rule Links

165+ links to Sites dealing with Vintage Math Instruments, Logarithmic Scale Based Slide Rules and Mechanical Calculators and now including Electronic 'Slide Rule' Calculators

• The International Slide Rule Group  Join this worldwide forum - free, honest advice.
• the Oughtred Society (OS) Based in the United States but has international membership
• Dutch Circle for Historical Calculating Instruments (KRING) Multi-lingual Site of our Dutch Counter-Parts
• Rechenschieber-Brief (RST) - German RST Collector Group
• United Kingdom Slide Rule Circle (UKSRC) - the web site of the British Slide Rule Collectors.
• ARC Friends of Slide Rules of Calculation Spanish Speaking Forum Group

• William Lise's Japanese Slide Rules Geek and Nerdy things from a translator/collector in Japan.
• Wayne Harrison's Slide Rules Personal Collection and Replicated Scales and instructions for making your own slide rules.
• Steve's Slide RulesSteve Seale Collection, Nashville, Tennessee, USA
• David's Calculating Sticks David Rance Collection and Technical Papers (The Netherlands)
• Rod Lovett's Slide Rules Rod Lovett Collection and Resources (UK)
• Instrumentos de Calculo Coleccion Casteres - Guillermo Castarés (Argentina) (Spanish Language)
• CALCOLATORIA - computing before the digital era - Nicola Marras Collection - Italy (Italian and English)
• Photocalcul - Gonzalo Martin Collection - France (French and Spanish)
• Reglas de Calculo - Jorge Fabregas collection (Spanish )
• Historie rekenlinialen en rekenschijven, historie of slide rules - A.M. (Dries) Molen Collection - Netherlands (Dutch and Spanish)
• Michael J. Syphers - Following The Rules
• French & European Slides Rules and Planimeters - Daniel Toussaint Collection (French)
• Mathematical Instruments - David Riches's Collection (UK)
• Slide Rule Annex - Atshushi Tomozawa's Collection (Japan)
• Keisanjyaku - Kimura Satoru Collection (Japan)
• Bob's Slide Rule Site - Robert Adams's Collection (Australia)
• The Slide Rules Giovanni Pastore Collection - English (Italy)
• Dave's Slide Rules! Dave Van Domelen Collection
• Dave Crate's Quality Slide Rules Dave Crate's Collection
• K&E Catalog Collection of Clark McCoy
• Slide Rules & Mechanical Calculators Images from my collection. (Italy).
• Slide Rule Ron Manley's Site, Collection, Past Prices, Resources.
• Peter Holland's Slide Rules (Germany)
• Prof.Dr.-Ing.C.-M.Hamann (Germany)
• Jay's Slide Rules Jay Francis Collection
• Eric's Slide Rule Site Eric's Marcotte's Collection and Resource (Canada)
• Otis King's Patent Calculator Run by Dick Lyon (USA)
• Ron Manley's Slide Rule Site Ron Manley Collection (UK)
• Slide Rules and Calculators Chris Gillings Collection
• Greg's Slide Rules Greg Scott Collection (Australia)
• John Wolff's Web Museum Mechanical Calculating Devices (Australia)
• Slide Rules Kent Walker Collection
• Slide Rules Todd Tolhurs Collection.
• Slide Rule Universe Walter Shawlee  a.k.a. Sphere Research Corp. (Canada)
• Tehnolemn Timisoara Slide Rule Archive - Jim Cerny and Bob Adams Romanian slide rules.
• Museum of Pocket Calculating Devices Gerhard Wenzel Collection (Netherlands)
• Chris Osburn's Calculating Instruments
• Collection Peter Owen (UK)
• Slide Rule Trade Offer by Charles C. Benton
• Slide Rules & Nomographs Nick Gessler (USA)
• Slide Rules from German Manufacturers Michael Gährken (Germany)
• Random Pictures of Slide Rules Tom Bullock Collection
• Slide Rule On-Line Museum the collection of  Dr. Joern Luetjens (Germany)
• Vom Kerbholz zur Curta Von Jan Myer's  History of Calculators (Germany)
• Calculating Machines John Wolf's Web Museum (Australia)
• David Davis Slide Rule Blog A few interesting articles, Davis Collection.
• David Davis Slide Rule Archivew (Wayback Machine) The original Davis Collection.
• La mia collezione di regoli calcolatori Scarpaz Collection (Italy) [Italian/English]
• List of Slide Rules Nigel Bromley Collection (UK)
• MACHINES A CALCULER MÉCANIQUES Christophe Mery Collection (French/English)
• Gizmology Bill Jones Collection and Home Brew Slide Rules
• REGOLI CALCOLATORI E ALTRI STRUMENTI Ezio Raddi Collection (Italy)
• Slide Rule Collection Giovanni Breda (Italy)
• A Collectors Family Stephan Georgi Collection (Germany)
• Mark's Slide Rules Mark's Math (USA)
• rechenmaschinen-illustrated A web version of the book by Ernst Martin, created by Walter Szrek and Herbert Herbert Schneemann.
• Office Collectibles Private collection of Jay M. Goldman (mostly mechanical calculators)
• Early Office Museum Antique office machines and mechanical calculators
• Marksmath Mark Armbrust Collection (Boulder, Colorado, United States)
• Tina's Page Tina Cordon Collection (United Kingdom)
• Count Belmiro's Curios Colin Tombeur collection as well as interesting Juggler's slide rules he designed.

Educational - History, Museums and Archives Use GOOGLE Translate Tool to translate from/to French, German or...

Purdue Exhibit

• Slide Rule Museum Scans, Library, Encyclopedia (USA)
• The Oughtred Society Dedicated to the history and collection of slide rules
• American Slide Rule Patents the Oughtred Society
• National Math History Museum Smithsonian Institution, Washington, D.C. Search for 'slide rules', 'abacus', etc.
• John Napier by Univ of St. Andrews, Scotland.
• William Oughtred by Univ of St. Andrews, Scotland.
• Edmund Gunter by Univ of St. Andrews, Scotland.
• Victor Mayer Amédée Mannheim by Univ of St. Andrews, Scotland.
• William Oughtred by Florian Cajori,Cornell Univ Library of Historical Monographs.
• John Napier Edited by Cargill GilstonKnott, Cornell Univ Library of Historical Monographs
• Modern Instruments and Methods of Calculations E.M. Horsburgh, Cornell Univ Library.
• Sliderule TimeLine by Classic Collectors World
• The History of the Slide Rule by Denver University
• Napier's Bones and the Genaille-Lucas Rulers by Brian Borchers
• Museum of HP Calculators Slide Rule Page
• Cylindrical Slide Rules HP Museum
• Sphere Research Slide Rule Archives Depository of contributions from many collectors
• Hemmi Catalogue Raisonne Paul Ross' listing of every model Hemmi slide rule from 1912 to 1975
• Original Documents on the History of Calculators by Andries de Man
• Ron Manley's Slide Rule Site Large Resource, Excellent for past eBay prices
• Eric's Slide Rule Site Eric's Marcotte's Resources. Check out his "Evolution of a Slide Rule".
• Zooming Out by Armagh Astropark, the logarithmic scale in relation to astrophysics
• Mechanical Calculators prior to the 19th Century by Paul E. Dunne
• Calculating Devices - Predecessors of the slide rule Kenyon College Other Instruments
• Napier's Bones by Marcus Brooks
• Vom Kerbholz zur Curta Von Jan Myer's History of Calculators (Germany)
• Exposition Machines A Calculer Exhibition of Mechanical Calculators by Christophe Mery (French)
• rechnerlexikon Computer Encyclopedia (German)
• Pilot Balloon Slide Rules Martin Brenner (CSU, California, USA)
• The Death of the Slide Rule By James Redin, About the Hewlett-Packard calculator(USA)
• Slipsticks - Historic Slide Rules Macleay Museum, Curated by Julian Holland (Sydney, Australia)
• Milestones - History of Thematic cartography, statistical... by Michael Friendly & Daniel Denis(Canada)
• Milestones - History of Thematic cartography, statistical (new website) by Michael Friendly & Daniel Denis(Canada)
• Online Register of Scientific Instruments Museum of the History of Science, Oxford(UK)
• Katalog der Rechentechnischen Sammlung des Instituts für Mathematik und Informatik - Greifswald (Germany)
• Addiator Big world of small calculators -by Friedrich Diestelkamp(Germany)
• Handicapping Calculators Bookies and Bookmaking -by H.Layer, SFSU (USA)
• A Short History of the Festus Mfg. Co. Maker of Acu-Rule slide rules - by Geo.E. Keane
• Virtual Museum of Surveying History and Instruments - Ingram-Hagan & Co Surveyors
• History Of Computing HOC - Nathan Zeldes Possibly Interesting Site-
• Cybermuseum FilesGordon and Gwen Bell Artifacts
• Historie rekenlinialen en rekenschijven, historie of slide rules - A.M. (Dries) Molen Collection - Netherlands (Dutch and Spanish)
• CALCOLATORIA - computing before the digital era - Nicola Marras Collection - Italy (Italian and English)
• Cosmic Quest Thinker - Information about the Slide Rule, Math, Science, Astronomy, and Education matters. - Brian Purcell - United States
• Rechenmaschinen-Illustrated - History of Calculating machines based on the book Die Rechenmaschinen was written by Ernst Martin, 1925 in German. (English) - Herbert Schneemann and Walter Szrek
• STS 3700B 6.0 HISTORY OF COMPUTING AND INFORMATION TECHNOLOGY A series of 22 lecture prepared in 2003 by Prof Luigi M. Bianchi of York University in Ontario Canada.