$140

Schaar & Company Chicago Resistance Decade Box - Vintage Antique Steampunk

$499.96

Antique TYCOS SHORT & MASON London STORMOGRAPH thermograph in Copper CASE Rare!

$100

Antique Swiss Brevet Pedometer (Pocket Step Counter)

$299.99

1889 *ORIGINAL* Fitchburg Tandem Compound Condensing Steam Engine Blueprint

$212.78

Antique Brass Theodolite Surveying Instrument c1900 Transit Compass

$5.84

Scientific Albuminometer

$25

Vintage Roller-Smith Co Electrical 0-250 Type TD D.C. Amperes **Untested

$71.25

1900 Brass Specification Plate for Westinghouse Electric Induction Motor CCL

$250

Antique 1890's Siemens & Halske 3 Decade Resistance Box - 0-100 Ohms Wheatstone

$75

Vintage Leeds & Northrup 2420 B Light Beam Galvanometer Wood Box

$121.2

Vintage Cooke Troughton Simms Binocular Research Microscope Cased Nikon Lenses

$245

c.1900 Antique Brass Bullseye Condenser Lens Scientific Magnifying Glass Desktop