Unique: Vintage Slide Rule In Original Box Made In England

Vintage Unique Universal Slide Rule Wood & Plastic with Instructions

Boots Ringplan vintage slide rule.working includes original case & instructions

Unique Universal Model 1 Slide Rule. Half-hour instructions. Case UK made.

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

Castell 2/84 Mathema AW FABER Slide Rule Vintage Collectors Museum Piece Maths

Vintage A.G. Thorton P.I.C Vintage Slide Rule 131 In Original Case - 12"

Faber Castell Slide Rule with case & 2 "Unique" Log-Log's with instructions.