A Physical Treatise on Electricity and Magnetism, Volume 1

action adjusted angle apparatus arrangement attraction axis battery brass calculated called carbon cell centim centre Chapter charge circle circuit coil conductor connected to earth consists crown glass cylinder Daniell cells deflection determined diameter dielectric ball difference of potential direction disc distance ebonite electrification electro-motive force electrometer equal experiments fixed galvanometer glass half-vibration horizontal force inches increase Induction Balance instrument insulated length Leyden jar lines of force magnetic force magnetic meridian magnetic moment marked end means measured metal ball method millims mirror moved needle observations Ohm's law opposite outer paraffin piece placed plane plate platinum poles position quadrants quantity of electricity ratio resistance reversed scale screw shellac side sliding condenser solenoid solid angle specific inductive capacity strength sulphuric acid surface suspended telescope thickness thread tinfoil torsion tube turned unit vertical vibration wire zero zinc zine