Practical radiography : a handbook for physicians, surgeons, and other users of X-rays (1901)
Isenthal, A. W, Ward, H. Snowden (Henry Snowden), 1865-1911 · London : Published for The Photogram, Ltd. by Dawbarn and Ward, Ltd. · leaf 65
, which may be conveniently 52 Practical Radiography mounted upon the instrument itself, is the discharger.A pair of stout ebonite pillars (suitably set apart) carry attheir upper ends metal fittings through which two dis-chargers (brass rods) may slide, so that the ends of thedischargers may be… … Fig. 16. previously mentioned end terminals of the secondary bymeans of fine silk-covered wires. The reason for the point and disc is to find the polarityof the secondary. At a certain position of the reverser thesparks given by the coil run (more or less irregularly) fromthe point to some part of…
Radiography · X-rays
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