$23.36

1980 Donaldson Company Oil Filters Sales Literature Signed Letter Minneapolis MN

$40

Oil Well Logging Bulletins 1950s

$24.95

Vtg SELSI Opisometer Map Measuring Meter GERMANY Miles / Nautical Miles, Kilo

$80.79

Antique Surveyor’s Cross Staff Head, Equerre, Brass, Octagonal Pantometer

$39.66

Vintage A.G. Thornton Slide Wood Ruler Divided Maths

$12.12

Vintage Unique Engineer Universal Slide rule

$26.93

Rapid Trigonometrical Indicator, Arclight Radius, Circulator W Instructions BX33

$24.24

Slide rule Faber Castell - VGC. Free UK postage

$40.39

Mixed Lot Draughtsman Tools & Rulers Vintage Engineering Architectural 10 Piece

$24

VINTAGE GENERAL DYNAMICS QUINCY SHIPBUILDING TIE CLASP-EMPLOYEE REWARD

$39.23

Vintage Millimetre to Inch Convertor Swiss Made Roll Type Millimeter Converter

$10.1

Vintage Set of 8 Reeves Draughtsman's Varnished Card Scales. In Original Box