The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science

angle apparatus appears applied Author axis becomes calculated carbon cell centim charge circuit closed coil compared conductivity considerable considered constant contained copper corresponding curve described determined diameter direction displacement distance effect electrical energy equal equation experiments expression field force gases gauge give given glass greater heat Hence hydrogen increase iron layer length less light lines liquid lower magnetic maximum means measured mercury metal method millim mirror molecules motion nearly necessary observed obtained oscillations oxygen pass plane plate position possible potential present pressure probably produced proportional quantity ratio rays readings regard resistance seen shown side similar solution sound suppose surface taken temperature theory tube unit varying velocity vibration volts volume wave-length waves whole wire