ISRM had over 139 broken links and has had to delete most of the offending URLs across its 441 pages. Some slide rule collection have been found to be relocated and a considerable effort was made to find an alternative address on Institutional sites that were changed. If you have a slide rule site, or one to recommend, please email the ISRM Curator with good links and they will be added to this list. Thank you!
Collector Groups and Trader Forums
Current eBay Prices:
eBay Slide Rule Search
Courtesy of Rod Lovett
Collectors and Traders
- 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)
- 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)
-
Following The Rules Michael J. Syphers Collection (USA)
- 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 Wolfson's Slide Rule Site (Georgia, USA)
- 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. Giovanni Breda (Italy).
- Slide Rule Collection
(Alternate Website)Giovanni Breda (Italy)
- Slide Rule
Ron Manley's Site, Collection, Past Prices, Resources.
- Peter Holland's Slide Rules
(Germany)
- Prof.Dr.-Ing.C.-M.Hamann Obsolete Website - Link to Waybackmachine record
(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 Rule Universe
Originally Walter Shawlee, but now maintained by wife Susan; a.k.a. Sphere Research Corp. (Canada)
- Museum of
Pocket Calculating Devices
Gerhard Wenzel Collection (Netherlands)
- Slide Rules & Nomographs
Nick Gessler (USA)
- Random Pictures of Slide Rules
Tom Bullock Collection
- Slide Rule On-Line Museum
the collection of Prof. Dr. Joern Luetjens (Germany)
- Vom Kerbholz zur Curta
Von Jan Myer's History of Calculators (Germany)
- 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)
- Slide Rule Collection
Giovanni Breda (Italy)
- rechenmaschinen-illustrated
A web version of the book by Ernst Martin, created by Walter Szrek and Herbert Herbert Schneemann.
- Early Office Museum
Antique office machines and mechanical calculators
- Tina's Page
Tina Cordon Collection (United Kingdom)
- ...and the Ugly (formerly Count Belmiro's Curios)
Colin Tombeur collection as well as interesting Juggler's slide rules he designed.
ISRM Associates - Collector's Websites Hosted on ISRM (Future Access TBD)
- International 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.
- Mac Tutor
by Univ of St. Andrews, Scotland.
- Hathi Trust
Cornell Univ Library of Historical Books.
- Museum of HP Calculators Slide Rule Page
- Cylindrical
Slide Rules
HP Museum
- 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".
- Mechanical Calculators prior to the 19th Century
by Paul E. Dunne
- 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)
- 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)
- 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.
Instructions, Manuals, Scales and Construction
Also visit: ISRM Library
Commercial Seller's, Traders, Antique Dealers.
Electronic 'Slide Rule' Calculators.
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