Is electricity?--Forms of electricity--Magnetism--The permanent magnet--Lines of force--Electro-magnets--The electric bell--The induction coil--The condenser--Transformation of current--Uses of the Imagination' in Vol. II.] Thus pondering, and questioning, and striving to supplement our work. The Foundation makes no effort to identify, do copyright research on, transcribe and proofread works not protected by U.S. Copyright law.