Universal Slide Rule Vintage 'Unique' Design Made In England Log Log Calculator

A Boxed Vintage Slide Rule PIC No 131 by AG Thornton Ltd Made in England

Vintage PIC Slide Rule No 251 British Thornton in Leather Case. Made In England

Slide rule by Faber Castell Syst. Rietz 1/87 German Vintage Rule

Vintage Unique Universal Slide Rule, Made in England, Boxed, Fair Condition

Vintage Plastic Technical /Engineering 13cm Slide Rule with Case Made in England

J Halden & Co Manchester London Vintage Wood Engineers Rule Ruler Engine Divided

Fab Vintage PIC 241 Slide Rule In Original Box Made In England