$189

Vintage Leeds & Northrup #5300 Type S Test Set w/Wood Case

$23.76

Vintage German Glass Hydrometer Proof & Tralles Scale for Beer Whiskey Alcohol

$75

U.S. Standard Sieve Series

$8.1

Vintage moving coil Amperes Meter 1930’s vgc for age. Newtons of Taunton Ltd

$17.75

PORCELAIN SWITCH on 6 Contact Block Antique 25A 125V USA

$54.01

Antique Brass Hand Held 5 inch Sighting Level By T Cooke & Sons. HXG11

$19.95

10 Assorted CENCO Educational Laboratory Demonstration Oddball Gadgets

$20.37

Sharp EL-506P Scientific Calculator – Vintage Retro – Tested & Working

$125.99

Vintage Scientific Metal Pressure Gadgets from Lab or Classroom for Display

$85

Vintage Koizumi Alvin - Polar Compensating Planimeter - Metric - Made In Japan

$229.53

Vintage USSR Mechanical Planimeter – Precision Surveying Instrument+ Certificate

$10

Vintage Map Tool DES PT 117422 Nautical Miles Statute Kilometers Bakelite Works