Description
Used to demonstrate the characteristics of simple and primary cells. Consists of an 8-oz plastic jar with a screw-on plastic rim containing 2 adjustable brass electrode holders, 8 electrodes of 7 different metals (1 aluminum, 1 nickel, 1 tin, 1 graphite, 1 iron, 1 copper, and 2 zinc), and a porous ceramic cup. Instructions included.