$850

Lot of 4 Vintage Cenco E/M Electron Charge Apparatus

$24.04

Vintage A.W. Faber-Castell 1/92 Elektro slide rule made in German

$133.32

Isuzu Temperature & Humidity Recorder For Cellars, Museums And Delicate Stores

$195

Fisher Scientific Co. Calibration Brass Weight Set Pittsburgh Pa Usa

$270

Sinclair Cambridge Programmable Calculator,Box ,Manual,1977. MINT

$52

Cenco No.3620 Heavy Triple Beam Apothecary Balance Scale w/ Porcelain Tray 1110g

$100

Curta Setting Shaft Assembly with Decimal Marker

$26.93

Vintage Lucus Amp Meter (H)

$99.99

Antique All-Original WWII WW2 US Army Signal Corps Model SW-225

$402.66

Vintage Mahogany Cased Hydrostatic Philosophical Specific Gravity Bubbles Balls

$17.95

Sharp Compet QS-2124 Calculator Solar Powered Large - Vintage - Tested & Works

$18.98

Sharp Compet QS-2124 Calculator Solar Powered Large - Vintage