Chris Osburn's Slide Rule Collection
Explanation of slide rule scales, FAQ about buying and selling rules, and a description of his collection.
David Crate's Slide Rules
Assorted slide rules for sale as well as some historical information.
Eric Marcotte, a Slide Rule Collector
A personal compilation of information on slide rules with much information on his own collection.
IM2001 - 7th International Meeting for Slide Rule and Calculating Machine Collectors
Munich, Germany, September 14 - 16, 2001.
Napier's Bones and the Genaille-Lucas Rulers
Presents Napier's Bones and the Genaille Lucas rulers in ready to print forms: Postcript and PDF.
Peter Holland's Slide Rules
In German and English. Items for trade with descriptions of condition.
Slide Rule Emporium
Pickett Slide rules forsale. New in the box and many models available from the pocket size to 4 foot teaching rules.
Slide Rule Museum
Dedicated to engineers past and present, this collection of slide rules and manuals have in excess of 1000 different items scanned full size and categorized by company or continent…
Slide Rules
Dedicated to one man's collection of slide rules (and includes a photo gallery), plus a few links for those who want to find out more about them or where to buy one.
Slide Rules from German Manufacturers
A collection of slide rules, with descriptions and pictures. Also, some links to other slide rule sites.
The Death of the Slide Rule
Hyperlinked essay with citations by James Redin covering the rise of the portable calculator and the demise of its predecessor.
The International Slide Rule Group at Yahoo!
A community of slide rule enthusiasts. Several hundred posts a month.
The Slide Rules
A hyperlinked history of slide rules, details of the author's personal collection, and contact information.