Information about Slide Rule Collecting
Managing a Slide
Rule Collection. Cataloging, storing, displaying and labeling your
Dates of Manufacture to Hemmi Slide Rules.
Popular Scale Sets.
"Mannheim," "Rietz," and trigonometric scales.
Where did that
table on the back of my slide rule come from?
Cleaning and Repairing
Slide Rules. From simple cleaning to making replacement cursor
windows from scratch.
How I converted
a K&E #IL Cursor Into a #IaL Cursor to Fit a 20-inch Slide Rule.
Links to Other Slide-Rule-Related Web Sites
Places to Buy Slide Rules on the Web
The Slide Rule Trading
Group. List server for collectors selling or buying slide rules.
Dick Rose's Vintage
Instruments. Largest variety of slide rules for sale anywhere.
Dick is always happy to help people select an appropriate slide rule for
use or for a gift, as well as helping people find the slide rule of their
Francis - The Slide Rule Guy. Collector and friend in Texas.
Slide Rule Universe.
The most comprehensive slide rule site on the Internet. Operated by
our friend Walter Shawlee in British Columbia.
Holland's Slide Rules. Collector and friend in Germany with
a large list of slide rules for sale.
Sources of General Information About
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
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.
Slide Rule Group. Discussion group for slide rule collectors.
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
Antique dealers, appraisers, collectors etc.
Slide Rule Collectors
Many slide rule collectors display their
slide rule collections online. Many of these sites include useful information
on the use, care and history of slide rules. Here are a few of my
It's difficult to keep this list up to
date. If I accidentally omitted your site or if you find something
out of date, please send me an email.