Dental and oral radiography : a text book for students and practitioners of dentistry (1916)
McCoy, James David · St. Louis : Mosby · leaf 51
V Fig. 12. Diagram of the electrolytic interrupter. P, terminal of the positiveelectrode; N, terminal of the negative electrode; T, porcelain sheath ortube covering the positive electrode; I, platinum point of the positive elec-trode; L, negative electrode constructed of lead. used. It consists of…
Radiography, Dental · X-rays · Teeth · Mouth
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