$20.99

Historic 1962 Fairchild 2N1613 Transistor: The First Planar Device Ever Produced

$60

1954 PORT AUTHORITY NEW YORK ⅞” Medal STEEL STAMPING DIE RH626 NY NJ

$25

JOHN RABONE & SONS 1892 CATALOGUE REPRINT

$19.46

1966 Fluid Controls Inc Hydraulic Loads Engineering Literature Mentor OH

$20.2

Vintage Slide Rules A.W.Faber-Castell 1/92 & 67/87 & Unique Brighton Plus Others

$12.99

1963 CARR LANE HANDY MULTIPLIERS AND TRIGONOMETRY TABLES FOR ENGINEERS BOOKLET

$40.39

2 Antique Vintage Old School Brass Drawing Compass"s 1 Harris"s Patent Both GC

$20

Vintage Engineer Compass

$23.36

1977 NL Industries Bunting Bearings Division Engineering Catalogs Toledo OH

$4.76

1885 magazine engraving~ FIFTY POUNDS OF DYNAMITE EXPLODED UNDER BARREL TARGET

$39.99

Vintage Uchida Planimeter

$14.96

Antique Henri Chatelain HC Déposé Map Measurer Opisometer 1920s Original Case