$799

LORD KELVIN’S RHEOSTAT KELVIN & JAMES WHITE LTD. GLASGOW LONDON No. 223

$935.96

Large Antique Victorian Brass Library Desk Telescope on Tripod with Box

$121.14

Brass Parallel Rolling Navigation Ruler 1895 U.W.W Birmingham in fitted box

$13

Western Electric Large Gauge Model 24 Steampunk Industrial DC Volts 1901 parts

$47.99

Antique HEMOGLOBIN METER BLOOD TEST KIT CA Hausser Philadelphia ALOE Scientific

$95

BERGER TRANSIT WITH COMPASS AND CASE 124

$1000

1855 W.C. & J. Neff Improved Magneto Electric Machine * Early, Uncommon & Large

$133.24

Antique Wood Wooden Copper Westons Weston's AM Meter Electrical Amp Newark NJ

$795

Antique Thomson-Rice Voltmeter & Ammeter Electric Lighting Station Lynn MA

$1650

19th Century Michael Faraday 1831 Induction Ring Replica Iron Copper Transformer

$17.89

Antique Wm. Johnson & Co. Newark NJ USA Steel Divider Caliper Tool Pre-1930

$134.67

Antique Microscope 1880s Brass European scientific instrument