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 231
HIGH FREQUENCY AND HIGH POTENTIAL CURRENTS . 211 surface — and a column above , which consists of a knurled flange f surmounted by a threaded stem l carrying a nut n , by means of which a wire is fastened to the column . The flange / 1 con veniently serves for holding the brass piece when fastening… … Fig . 135 . wire , and also for turning it in any position when it becomes necessary to present a fresh discharging surface . Two stout strips of hard rubber e e , with planed grooves g g ( Fig . 136 ) to fit the middle portion of the pieces o c , serve to clamp the latter and hold them firmly in…
e-rara · Eisenbibliothek Schlatt · No known copyright restrictions. Free to use for anything.
