A W Faber-Castell 883/b & 883/c Triangular Engineering Drawing Scale Ruler Cased

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

Vintage Unique Universal Slide Rule Wood & Plastic with Instructions

Vintage 6" FABER CASTELL 67/87 slide rule

Vintage PIC Slide Rule 1960s In Original Box.

Unique Universal 1 Slide Rule Vintage Made In England

VINTAGE FABER CASTELL STUDENT SLIDE RULE 57/88. ORIGINAL CASE WITH INSTRUCTIONS

UNIQUE UNIVERSAL SLIDE RULE 7" LONG WITH BOX MADE IN ENGLAND