Eric's Slide Rule Site

A personal collection of slide rules with scans and descriptions of each one, plus background on how they work, manuals, restoration tips and their history.

Tonble
Share X Reddit Bluesky Email
Screenshot of sliderule.ca

Stumble onto more like this

One click takes you to a page you didn't know you were looking for. Rate it and the next one lands closer to your taste.

Add to Browser — it's free

Works in Chrome, Edge and Brave. No account needed.