$944.02

Antique Surveyor's Level, English, Brass, Scientific Instrument, Halden & Sons

$6.78

VINTAGE PRODUCT BROCHURE SANDERSON'S SHEFFIELD HELIOCENTRIC SPEED REDUCERS.

$16.3

Vintage Scale Rule FABER CASTELL 2753/BA7 Eight scales Draughtsman Architect

$449

1921 AGFA BLITZLAMPE POWDER FLASH LIGHT PHOTOGRAPHIC LAMP GERMANY

$31.23

VINTAGE SLIDE RULER ENGINEERSING INSTRUMENTS INC 250 V

$85

Model of one step clutch? Metal educational model

$33.96

Vintage Slide Rule MARC ELECTRICIEN 'NO 5' UNIS FRANCE With a Leather Case

$40.75

VINTAGE Sangamo Weston S37 Bench AMMETER in Wooden Case 0 - 10 mA UNTESTED

$31.23

VINTAGE ADVERTISING RULE RULER BURN BROS LTD DRAINAGE CASTINGS

$645.19

Antique Complete 1850’s Elliott Bros, London #565 Steam Engine Indicator Boxed

$359.95

Antique Cartographer's Instrument Set, English, Surveyor's Tool Case, Circa 1920

$38.03

Brass Magnetic Compass, German.