Modern reproduction of the first electric battery invented by Alessandro Volta in 1800. Base and top are wooden. Between the base and top rests a stack or pile of 46 copper-zinc cells. Electrodes used to tranfer the…
Portrait of American chemist Edward Goodrich Acheson (1856-1931), inventor of the Acheson process to synthesize graphite and silicon carbide and later a manufacturer of carborundum and graphite.
Edward Goodrich Acheson…
A large, tapered, oval-shaped, clear glass bulb with a point on the top; has a brass bottom with threads on the end; attached to the inside of the bottom is a long glass tube with two terminals on either side and a long…