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 88
by applying undue tension to the spring, thuscausing the platinum studs to stick or weld togetherwhen heavy currents are passed; the springs also get hotand change their elasticity and vibration period. In bothcases also the slowness of the interruptions seriously inter-fered with the steadiness of… … to coils has been but very rarely recommended, and wherecoils had to be run from the 100 or 200 volt supplycircuits, some form of rheostat was always interposed,which, of course, consumed energy and cut down thepressure at which the coil was actually worked. The jet interrupter made it feasible to…
Radiography · X-rays
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