Dental and oral radiography : a text book for students and practitioners of dentistry (1916)
McCoy, James David · St. Louis : Mosby · leaf 54
s with the x-ray tube, the valve tube or spark gap serving thefunction of cutting out the weaker or inverse cur-rent, without interfering to any appreciable ex-tent with the stronger current which is deliveredto the terminals of the x-ray tube. The induction coil is used on the direct currentof 110… … Fig. 14.Induction coil adapted for use in the dental x-ray laboratory. This change in the current can be accomplishedby the use of a rotary converter of which sev-eral makes are available, or by a chemical recti-
Radiography, Dental · X-rays · Teeth · Mouth
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