A Physical Treatise on Electricity and Magnetism, Volume 2

acid action air-spark apparatus axis battery bismuth break carbon caused cells centims centre charged circuit condenser conductor connected copper cylinders dark space deflection diamagnetic diameter difference of potential direction disc discharge distance dynamometer effect electricity electro-magnet electro-motive force electro-static electrodes equipotential curves equipotential surfaces exhaustion experiments Faraday galvanometer glass helices helix inches induction coil insulated intermittent iron length of spark Leyden jar light lines of flow liquid luminosity luminous column machine magnetic force magnetic potential means metal millimetre millims mirror molecules negative pole negative terminal number of windings observed obtained paramagnetic pass phenomena Phil phosphorescence piece placed plane Plate platinum polarity positive terminal pressure produced proper motion quantity radiant matter resistance reversed rheostat rotation RUE'S screw secondary selenium sensitive sheet of tinfoil shows side Spottiswoode stratification stria striæ STRIE substances sulphate tinfoil vacuum tube velocity vertical vibrator wire zinc