2 x Vintage Rollertec Amazing Rolling Ruler Geometry Tech Drawing 22cm & 30cm

Faber Castell Ruler No 57/87 Vintage School Slide Rule for Draughing Drawing

Vintage Draftsman’s Ebonite Roller – 30cm Lathe-Turned Rolling Ruler Component (

Vintage Drafting/Geometry Set

Vintage Blundell Harling, Navigational Protractor & Parallel Ruler 250mm

Capt Fields Pattern Parallel Navigation Ruler

Vintage Rolling Ruler & cuff guard. 15’’ wood & brass . Geometry drawing tool

VINTAGE 30CB UNIQUE ADJUSTABLE TRIANGLE RULE RULER MEASURE