n breakin the circuit causes an inductive kick, forming an arc be-tween the opening contact thus igniting the charge. Therewas much trouble experienced with this system as it is dif-ficult to keep the contacts clean. Jump spark ignition was the next development. Withthis system the contact was… … F t Cf. 2 Tc*nnf* Spark SysY<Lm vibrator being connected in series with the primary circuitof this coil, shunted with a condenser to make the interrup-tion more effective, a low tension distributor with as manypoints as cylinders, a spark plug for each cylinder and asource of energy?either…
