CHAPTER XXVI. THE PRODUCTION OF MOTION BY CURRENTS 187

Currents and Motion.--Exp. 183, Motion produced with a hollow coil and a piece of iron.--Exp. 184, Motion with hollow coil and bar magnet.--Exp. 185, Motion with electromagnet and piece of iron.--Exp. 186, Motion with electromagnet and bar magnet.--Exp. 187, Motion with electromagnet and horseshoe magnet.--Exp. 188, Motion with two electromagnets.--Discussion of Exps. 183-188.--Exp. 189, Rotary motion with a hollow coil of wire and a permanent magnet.--Exp. 190, Rotary motion with an electromagnet and a permanent magnet.--Discussion of Exps. 189-190.