The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting (1894)
Martin, Thomas Commerford, 1856-1924, Tesla, Nikola, 1856-1943 · New York : The Electrical Engineer · leaf 465
ward movement of the iron core i, but closes and checksthe movement of the core when it is pulled up by the actionof the solenoid. To balance the opposing forces, the weight of the movingparts, and the pull exerted by the solenoid upon the iron core,the wei^-hts w w may lie used. The adjustment is…
Electric currents, Alternating · Electrical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
