$42.5

Vintage Morse HS 1/6 RH made in USA

$21

GAGING, Practical Design and Application, First Edition 1981

$57.56

Vintage HILGER & WATTS Surveyor's Precision SL10-1 Theodolite Level.

$30.97

ARISTO SCHOLAR Slide Rule No 0903 With Case

$249.38

1873 Phoenixville Bridge Works 2nd Illustrated Album of Designs J B Lippincott

$33.65

Vintage LAWRENCE Deluxe SLIDE RULE Made in England 28.5×3cm

$10.95

Simpson Strong-Tie Epoxy-Tie Adhesive System Slide Rule Calculator ~ 1990's

$10.77

Vintage Faber Castell Slide Rule With Case

$63.29

*RARE Antique Quality DIVIDERS Drawing Instruments for Circles Solids Plans

$19.99

EDGAR STEAM ELECTRIC STATION WEYMOUTH MASS DEDICATION MAY 1976 ASME LANDMARK.

$16.16

Vintage Slide Rule- Elektro 1/98 - AW Faber, Castell. Incomplete

$32.99

Andrew 6419262 Pipe Adapter