United States. Surgeon-General's Office, American Roentgen Ray Society · New York : Middleditch · leaf 54
ned to indicate the presence of inverse. Ifthere is no inverse, only one of the metal terminals atthe gap will glow. If both glow to the same extent, theinverse current is present. Fig. 19 shows the wiring diagram for a coil with mer-cury interrupter, condenser, oscilloscope, valve tube, andseries… … |NIIMM|!lll|IIIHv imniimiMililil/ Fig. 17. Valve Tube. *€ A. ^ Fig. 18. Vacuum tube oscilloscope. 48 X-RAY MANUAL—U. S. ARMY Interrupters. The secondary voltage of an induction coil is theresult of change of current in the primary. It is evidentthat we cannot have the primary current grow…