Energy Transfer Apparatus - Malvern Mounded Motor for Solar Cell.This is a small low consumption electric motor on a base specially designed to run directly from the output of the solar cell and to illustrate the direct conversion of light energy to electrical and hence to mechanical.Fitted on a base with a 2.5"" fan and 4mm sockets.Base is 4"" long 3"" wide and 1.3"" tall.Great for any school or home laboratory.Energy Transfer Apparatus - Malvern Mounded Motor for Solar Cell.This is a small low consumption electric motor on a base specially designed to run directly from the output of the solar cell and to illustrate the direct conversion of light energy to electrical and hence to mechanical.Fitted on a base with a 2.5"" fan and 4mm sockets. The base is 4"" long 3"" wide and 1.3"" tall.