$11

1965 Sandia Corp Albuquerque NM Nuclear Atomic Energy Research Help Wanted Ad

$34.99

ANTIQUE BRITISH ADVERTISING RULER 6 1/4" ENGINEERING SCALE SECTOR LONDON ~1900

$28.78

Vintage DIETZGEN No. 410F Engineer Field Note Book 50% Rag Paper USA Used

$12

WISCONSIN MOTOR Corp COMBUSTION ENGINE Metal Instruction Plate TAG VINTAGE

$6.25

Box of 4 New Buss TL 20 Tron Edison base Time Delay Fuses 20A fuse

$311.5

Antique Drafting Instruments Set + 1891 Evening School Card + NYC Ephemera Lot

$9.99

1983 Vintage Carr Lane Mfg Handy Multipliers Engineer Trigonometry Tables

$5.9

Helix Drawing Pencil Compass circles up-to approx 8" Dividers Drawing

$105.58

WILLMORE MARK 3A SEISMOMETER 0.1 - 150HZ BANDWIDTH

$130

Antique Technical Mathematical Drawing Instruments Set Geometry in Wood Box

$125

Vintage Carl Zeiss Automatic Level Model Ni025

$149.5

Vtg Rolling Rule English Brass Parallels Instrument Navigation W H HARLING 24"