US$ 45.00
Used as the red-rail partner to the 750mm black 4mm lead
stainless steel
for determining specific heat of steel by electrical heating
its sectioned carburetor and fuel supply exposing the compression-ignition cycle to a hand-cranked turnover
Selenium Photovoltaic Solar Cell Apparatus Item Type_Spoon Used as the red-rail partnerSelenium photovoltaic cell on a 4 by 3 by 1. 3 inch base generating voltage under illumination, pairing with a motor unit to trace the full light to electrical to mechanical energy chain.
US$ 45.00
US$ 60.00
US$ 60.00
US$ 50.00
US$ 40.00
US$ 60.00
US$ 30.00
US$ 140.00
US$ 40.00