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

Vintage Unique "LOG LOG" Engineering Slide Rule . Original Carry Case complete

UNIQUE BRIGHTON Slide Rule Vintage Collectables Engineering Tool Used 1950-1960

Unique "LOG LOG" Engineering Slide Rule With Box Vintage Made In England S8455

Vintage Janus Series Slide Rule, With Case

2 x Rare Unique Log Log Slide Rule Vintage, Made in England.

ARISTO Nr 914 Vintage Slide Rule Dennert & Pape, Altona, Germany 1930s - 40s

Log-Log Slide Rule Boxed 6" UNIQUE Technical Supply Co Brighton Antique