Dental and oral radiography : a text book for students and practitioners of dentistry (1916)
McCoy, James David · St. Louis : Mosby · leaf 58
a spark fromsix inches to forty inches in length, there is noparticular advantage in using more than a 12-inch coil for dental radiography. (See Figs. 14,15 and 16.) Tesla or High Frequency Coil The Tesla or high frequency coil differs con-siderably in construction from the induction coil,although… … -a AAA ^ y> VwvwvwvwW AAAAAAAAA set a = 56 DENTAL .VXD ORAL RADIOGRAPHY ized in the primary of the first coil and by meansof the secondary of this same coil is stepped upto a high voltage. This stepped up current is
Radiography, Dental · X-rays · Teeth · Mouth
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