The
Oughtred Society. The international society of slide rule collectors.
In addition to publishing a scholarly journal for slide rule collectors,
the Oughtred Society holds annual meetings in the San Francisco Bay area
and in Europe plus several regional meetings throughout North America each
year. Oughtred Society meetings usually include auctions of slide rules
and related materials. International Slide Rule Museum.
The world's largest digital repository of all things concerning slide rules.
More than 6500 downloadable images and pdf files. Mike Konshak,
curator. Dutch Circle for Historical Calculating
Instruments. One of the most comprehensive sites anywhere.
Concentrates on European slide rules. Museum of HP Calculators.
On-line museum dealing with all kinds of calculating devices. The International
Slide Rule Group. Discussion group for slide rule collectors.
Ron Manley's Slide Rules.
Extensive site with much information including prices of slide rules sold
on eBay. Keuffel & Esser Site (by
Clark McCoy). More information about K&E slide rules than any
rational person would want to know. Hemmi Slide Rule Catalogue Raisonne.
The complete listing of every Hemmi slide rule ever made. Frederick Post Cross Reference.
Original catalog listing,
picture of actual specimen, additional information for Frederick Post slide
rules. Collectible Detective.
Antique dealers, appraisers, collectors etc.
Slide Rule Dealers and Collectors
Many slide rule collectors display their collections on line.
Their web pages come and go and I'm too old to keep up with them. I
suggest you Google "slide rule" and see what shows up.
