The inventions, researches and writings of Nikola Tesla : with special reference to his work in polyphase currents and high potential lighting (1894)
Martin, Thomas C, Tesla, Nikola · The Electrical Engineer · leaf 413
d , and provided with two similar sets of coatings , a x and b x , all the coat ings a 1 being connected to one ring and all the others , ¥ , to another marked + and — . These two sets , a x and b x are charged to a high potential by a Holtz or Wimsliurst machine , and may be connected to a jar of… … Fin . 2 ( H ) . circuit connected to the terminals x is traversed by alternating currents . Another form of apparatus is illustrated in Fig . 209 . In this apparatus the two sets of tin - foil coatings are glired on a plate of ebonite , and a similar plate which is rotated , and the coatings of…
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