United States. Surgeon-General's Office, American Roentgen Ray Society · New York : Middleditch · leaf 26
Fig. 3. Current-time curve of a simple A. C. circuit. … Fig. 4. Regular gas containing tube.19 20 X-RAY MANUAL—U. S. ARMY The secondary is always: (1) High voltage. (2) Quite small wire. (3) Carries a current of some miili-amperes. (4) Is unpleasant and often dangerous to touch. (5) Will pass across loose connections or even throughsome insulating…
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