A Treatise on Electricity: In Theory and Practice, Svazek 1

according acquired Ampère Ampère's angle apparatus attraction axis ball bismuth centre charged circuit communication conducting body consequently contrary direction copper Coulomb crystals cylinder determine deviation diamagnetic diameter dipping needle disc distance effect electric current electrised body electro-magnet electroscope employed equal equilibrium exercised experiment exterior extremity fact Faraday fixed fluids galvanometer glass gum-lac helix horizontal inches induced currents induced discharge influence insulating intensity interior inverse latter length Leyden jar liquid magnetic force magnetic meridian magnetised bar magnetised needle manner means mercury metal molecular movable current mutual action nature netised neutralise north pole obtained occurs oscillations parallel particles perpendicular phenomena pile placed plane plate polarisation produced proof-plane quantity of electricity repelled repulsive rotation rotatory sensible soft iron south pole steel stratum substance surface terrestrial magnetism theory torsion torsion balance traversed tricity vertical voltaic voltaic pile whilst wire zinc