306 1156 1330 Oudin coil 876 577 138 191 1156 1330 Leyden jar primary capacitors 382 480 444 147 1156 1330 Induction coil to power the Oudin coil 140 480...
case illustrating 'The development of diathermy'. (top shelf, left) An Oudin coil, a high voltage high frequency spark excited resonant transformer circuit...
