$21.6

Vintage Hellerman S800 Compass Draughtsman's Technical Drawing Surveyors NOS

$87.76

Vintage Boxed Trade Stanley Mark Surveyors Level

$168.78

Box of 48 A G Thornton Manchester Antique Draughtsman's Railway Curves

$40.63

Faber Castell Elektro 1/98 Vintage Slide Rule With Cursor & Case Engineering

$43.89

New Model Stereo Aids Geoscope Stereoscope Aerial Photo Viewer Parallax Wedge

$11.46

Vintage Harfield Weight Calculator Slide Rule - Advertising Steel Stockholders

$18.95

Vintage Engineer Lensatic Compass Directional Hiking Navigation

$76.97

Pentax Total Station Surveying Prisms & Mounts with Target Plates Bundle MP27

$24.19

Chemical & Metallurgical Engineering Magazine January 1939 Charles Goodyear

$17.28

Vintage BSI Conversion Slide in Accordance with BS350

$412.77

Antique Circular Feng Shui Luopan Compass Qing Dynasty 19th Century China

$250

Vtg E G Otis Elevator Desktop Glass Sculpture Hoisting Apparatus US Patent 31128