Information about Slide Rule Collecting

Managing a Slide Rule Collection.  Cataloging, storing, displaying and labeling your 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. 

How to Align Cursors on Duplex Slide Rules. 

Links to Other Slide-Rule-Related Web Sites


Sources of General Information About Slide Rules

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 ReferenceOriginal 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.   

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Like Slide rules?  Join the Oughtred Society.