If you run a site which has a connection to slide rules in some way and would like to be listed then please e-mail me with the details and I will add you to the list.

• Artis Luminis - The Art of Light. This site has a guide on how to use a slide rule.
• Astragal Press - Publisher of Books on Antique Tools & Early Trades and Technology, there are a number of slide rule texts available from this publisher.
• The Coggleshell Slide Rule - A short piece from the Coggleshell family history about one of the early calculating devices from the 1600s.
• Andrew Davie has a working Java simulation of a slide rule.
• HP Museum of calculators. The HP Museum has a display of Slide Rules, calculating machines an early electronic calculators.
• ebay's current listing of slide rules for sale. Warning this is the US listing so the amounts are in US$ so if you are from some other location that also has a $ don't be confused and bid more than you are expecting.
• Museum of Pocket Calculating Devices - Has a range of pocket calculating devices as well as some European slide rules, in Germany.
• University of Greifswald A large collection of slide rules in German.
• Oughtred Society dedicated to the history and collection of slide rules.
• Slide Rule Discussion Group - Yahoo group for discussions re slide rules. Warning sometimes the discussions get off topic :)
• United Kingdon Slide Rule Circle - UK based group which meets occasionally and publishes a newsletter "Skidstick" as well as a gazette.