$26.93

Drawing Draughting Instruments 7 Pieces in 24 x 10 cm Fold Out Padded Case

$20.2

Vintage Lotter & Co. Technical Drawing Compass Instruments With Case

$10.99

NICE! Vtg. 50's STOKES VACUUM CALCULATOR / SLIDE CHART Made in U.S.A.

$16.99

Orig Vintage 8" / 21cm WOODEN SLIDE RULE Lawrence Engineering USA Made Pat Pend

$6.73

Vintage internal calipers

$7.99

1962 PROFESSIONAL ENGINEERS of OREGON LECTURES, CONGRESS HOTEL PORTLAND PC. LOT

$26.48

c1974 Abbeon Cal Gauges Instruments Engineering Catalog Santa Barbara Ventura CA

$16.7

Vintage Staedtler MARS Drawing Drafting Compass Set

$26.87

W&HC Brass Folding Dividers Pair British Vintage Drafting Tools

$50.84

USSR Soviet vintage Geodetic BG-1 (БГ-1) 1988 compass bussol with metal case

$44.4

FOREIGN / EH LTD Compass Technical Drawing Tool Set (Z8B/311) - Used / Vintage

$21.55

Thornton PIC 281 Student log slide rule calculator in original case, vgc