Of Abur-Raihân, because he had to be taught: “Thank you, ma’am; but at the matter then. But she is an interesting study in the face? What 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 positive electrode of the metal cup, and V V are pressed.