$21

Vintage The Speed-Up Geometry Ruler with Booklet & Sleeve- Good Condition

$13.5

Vintage - Parallel Rolling Ruler - W H Harling of London- Draughtsman's Ruler

$10.73

Vintage Plastic Technical /Engineering 13cm Slide Rule with Case Made in England

$20.19

Antique / Vintage Compass Drawing Set by Thornton of Manchester

$803.37

c1830-60 VINTAGE ROSEWOOD&BRASS&MOP INLAID BOXED DRAWING INSTRUMENTS SET

$18

Derby Swiss Curvimeter/ Meilograph/ Opisometer Drafting/Map Tool

$12.14

Vintage Blundell Harling No 1-V BS 1347 Metric Scale Ruler

$9.95

Book Digital Avionic Systems Principles and Practice, 2nd Ed 1993 Cary R Spitzer

$13.5

Vintage Ink Drafting Drawing Set Wooden Box Dark Blue Velvet 23.5 X 10.5 cm

$39.99

Vintage Staedtler Mars Superbow Draughtsman Set In Case Boxed 553 01 SK

$49.99

Faber Castell 398 slide rule, made in Bavaria, Elect.Eng scales (S-1299)

$19.99

Vintage West German Made Map Measure Opsiometer Metal Ring for Keyring / Clip