$149.99

DEFCON 26 Human Badge + Lanyard works great

$16.3

M H Mear & Co Combustion Efficiency Calculator Made England

$27.26

1962 Link-Belt Company Roller Chains & Sprockets Engineering Catalog 160+ pages

$33.94

Vintage Concrete Volume Computer / Slide Rule Ready Mixed Concrete

$20.36

2 X Vintage Helix Compass Sets, Inc Helix 305, Boxed Bundle ❤️CHARITY

$61.12

Vintage Draughtsmans / Engineers Drawing Set.

$97

Starrett Magnetic Runout Indicator Holder No 657

$13.58

Vintage Jakar 1003 (SN7) Drawing Set With Case Kin Made In Czechoslovakia

$16.99

SPECIALTY TOOL - GERMANY - - CONVERTOR - INCHES TO FEET VINTAGE

$3.99

Set Of 2 Slide Rullers Student Mannheim & Mid-contient Springs Co W/ Case b51

$22

Kinect Original 307 Technical Drawing Compass Set EM445

$6.99

1945 Illustration THORNTON OAKLEY~ Electron Microscope Opens Secrets of Molecule