$23.36

1989 PAXMAN VEGA VALENTA HIGH SPEED DIESEL ENGINES POWER PACKS INDUSTRIAL OFFSHO

$39.39

ECOBRA 6567 . Proportional Dividers In Box Made Germany ECOBRA

$9.22

Vintage A W Faber & Castell 2722 60's Scale Rule Engineer Math Tools Measurement

$74.71

Vintage Pre WW2 Military 3 Layer Thornton Ltd Instrument Drawing Set

$62

Vintage National Technical Schools – Electronics -1970s – Lot of 37 Books

$135.83

New Leica GPR121 Circular Prism

$108.66

DEFCON 27 Conference Monero Badge

$17.5

VTG 1941 Addograf by Clay W. Prewett Engineering Office Decor Math Design

$12

WISCONSIN MOTOR Corp COMBUSTION ENGINE Metal Instruction Plate TAG VINTAGE

$74.71

Surveying Square Scientific Instrument Geometer In Box 19th Century

$20.37

Vintage “UNIQUE” Commercial Slide Rule Made in England With Case Calculator

$10.87

My Micrometer Sextant. Heath. (59)