Vintage Simplon Bilateral Log-Log Engineering Slide Rule Made in England

Vintage Sun Hemmi Bamboo Engineering Slide Rule System mid section removes

Vintage SIMPLON BILATERAL LOG-LOG Slide Rule Made in England 1950’s

'Unique' Universal II Slide Rule Made in England Vintage Measuring Tool

Vintage 12" Unique Log Log Slide Rule Made in England Boxed

Vintage A G Thornton Slide Rule, Model P281, Made in England (1965)

UNIQUE Log Log Slide Rule - Made In England - Boxed

Vintage LAWRENCE Deluxe SLIDE RULE Made in JAPAN