Other Engineering Collectibles – Page 9

Def Con 26 Human badge lanyard booklet CD

$150.0

Vintage Faber Castell 361 Slide Rule Bavaria with case box

$13.57

Vintage M.H.Mears & Co Water Flow Calculator + Case + Instructions

$25.03

Brass Wood Cartographer Maths Technical Drawing Engineer Scientific Implements

$336.92

Vintage British Thornton beam compass / trammel

$40.71

Metallurgical Test Specimen Sample - 1018 Steel

$20.0

Vintage Hilger & Watts Ltd Surveyors Clinometer in leather case

$67.24

Circular Slide Rule Concise 28N Made in Japan 3.25 inches Diameter

$11.52