Bob Soltys
Oughtred Society Bulletin - Collecting
Slide-Rules, Capital and Remaining Focused – Mannwest Group
File:Vintage Frederick Post Co. No. 1441 Four Inch Slide Rule With Magnifier, Made By Hemmi In Occupied Japan (23033854602).jpg - Wikimedia Commons
Slide Rule Aristo Trilog no.0908 with Case Made in Germany | eBay
Calculating the Quality of Vintage Slide Rules | Collectors Weekly
My Favorite Slide Rules - All About Astro.com
Slide rule - Wikipedia
Calculating the Quality of Vintage Slide Rules | Collectors Weekly
The Appeal of Slide Rules - For Use and as Collectables.
Buy A Manual of the Slide Rule: Its History, Principle, and Operation Book Online at Low Prices in India | A Manual of the Slide Rule: Its History, Principle, and Operation Reviews
110 Best Slide rule ideas | slide rule, rules, slide
The Appeal of Slide Rules - For Use and as Collectables.
Bob Soltys
Types of Slide Rules
Calculating the Quality of Vintage Slide Rules | Collectors Weekly
The Slide Rule, £ 6.95
Vintage A W Faber Castell German Slide Rule in Case 375 | eBay
How to use a slide rule bezel
World famous slide rules - Vintage Man Stuff
How to Perform Calculations Without Calculators - Code Green Prep
80 SCIENTIFIC AMERICAN MAY 2006
