High Frequency Apparatus Page 73

KICKING COIL APPARATUS 73 on alternating current circuits. Fig. 2 gives a diagram of the connections. This outfit is capable of doing effective X-Ray and general electro-therapeutic work within the inevitable limits of the portable outfit. The spark produced is of good quality and in length it reaches fully 7 inches. If the oscillation transformer were to be made larger in diameter, the spark length could be materially increased without any alteration in the exciting apparatus. For the lecturer or the experimenter the outfit is an exceptional one. It is light in weight. inexpensive and -2. Plan view of interrupter 0 о 11/22 Side elevation 10 Vibrator arm in part section you Post for stationary contact And elevation Fig. 3.-Details of the vibrating interrupter