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 49
n of high speed machinery,besides the difficulty of starting small alternating currentmotors (Fig. 12). A rectifier such as would be employed for our purposeconsists of an arrangement whereby, of the alternate phasesof the original current, one only is picked out and utilized,the other being either… … Fig. 12.times the only possible solution, and we will thereforedescribe one form of it later on (page 84). Statical or Influence Machines. In all the preceding cases we produced electrical energy,the E.M.F. of which was so low that we required suchspecial transformers as will be described in the…
Radiography · X-rays
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