Dental and oral radiography : a text book for students and practitioners of dentistry (1916)
McCoy, James David · St. Louis : Mosby · leaf 51
</) *X O tn O C « … «*. t c & o ► Uj P <u 5J2 4> g X-KAY MACHINES 49 negative electrode is constructed of lead and hasa large surface exposed, while the positive elec-trode is contained within a porcelain or hard rub-ber tube extending down into the solution withonly the tip or end of the electrode exposed.…
Radiography, Dental · X-rays · Teeth · Mouth
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