. Dental and oral radiography; a textbook for students and practitioners of dentistry . er, 59 S Secondary coil, 43Self-induction, 42Solenoid, 37Spark gap, 52 Technic of radiography, 78, and incorrect, diagram of,83 INDEX 179 Terminology, 20Tesla coils, 53 Transformers, interrupterless, 55Tube, connection to x-ray mechinc,64 inverse in, 113 regulation of, 04-107Tube conditions for radiograms, 108Tube shield, 74Tube stand, 70 with platerest, 94Tubes, low, medium, and high, 110 IT Unerupted teeth, 126 Unit of electromotive force, 31 current strength, 32 resistance, 32 V Vacuum of t
. Dental and oral radiography; a textbook for students and practitioners of dentistry . er, 59 S Secondary coil, 43Self-induction, 42Solenoid, 37Spark gap, 52 Technic of radiography, 78, and incorrect, diagram of,83 INDEX 179 Terminology, 20Tesla coils, 53 Transformers, interrupterless, 55Tube, connection to x-ray mechinc,64 inverse in, 113 regulation of, 04-107Tube conditions for radiograms, 108Tube shield, 74Tube stand, 70 with platerest, 94Tubes, low, medium, and high, 110 IT Unerupted teeth, 126 Unit of electromotive force, 31 current strength, 32 resistance, 32 V Vacuum of tube, how to determine,108relative merits of low, medium,and high, 110 Vacuum tubes, 62, 108Volt, 31Voltage, 31 W Watt, 32Wattage, 32 X X-ray, dangers of, 167defined, 23dermatitis, acute, 168 chronic, 169discovery of, 24effect upon photographic plates, 30machines, 43nature of, 30penetration of, 30production of, 23protection from, 171tube, 62 connected to the coil of trans-former, 64 essential parts, 62 tyi^es of, 63, 69 Aacuum of, 63-108 Date Due 2hi 32F T- Jj-J. AEILiJ. ^ q^ ^ RK270. COLUMBIA UNIVERSITY LIBRARIES () RK 270 IVI13 1919 Dental and oral rarliographv 2002340925
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