. The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting . ly one of nmiiv ^uolitypes constructed. It servos well for an oxponnuiital niachino,but if still liighor altoruations aro ro(|uiro(l and liiglior otlioionovis necessary, tluMi a maohino on a |iliin shown in Kigs. JOI to 378 INVEHTION^ OF MKOLA TESLA. 2<iT, is prelVralili. Tlu jniTici]»:il <itlvaiit;if this tvjn <»tmachine is tliat there is not iiiiich iiiaguetic leakage, and that afield may be produeed, varvinir uivatly in inti-nsity in plac
. The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting . ly one of nmiiv ^uolitypes constructed. It servos well for an oxponnuiital niachino,but if still liighor altoruations aro ro(|uiro(l and liiglior otlioionovis necessary, tluMi a maohino on a |iliin shown in Kigs. JOI to 378 INVEHTION^ OF MKOLA TESLA. 2<iT, is prelVralili. Tlu jniTici]»:il <itlvaiit;if this tvjn <»tmachine is tliat there is not iiiiich iiiaguetic leakage, and that afield may be produeed, varvinir uivatly in inti-nsity in places notmuch distant from each other. In these engravinirs. Figs. 2<i-| aiid i.» illn>trate a machine inwhich the armature conductor and field coils are stationary, whilethe field magnet core ivvolves. Fig. 2(t<; shows a machineembodviiii; the same i)laii of constrncti; hut Mi-. Tesla prcfeis the followingmethod: lie i-niploys an annular plate of copper D, and hy. means of a .saw cuts in it i-adial shit> tVoni one e<lge nearlythiougli to the other, i)egimnng alternately from opposite this way a continuous /.ig/ag c<»nductoi- is formed. When thepolai- |)rojections are i inch wide, the width of the conductorslujuld not, under any circumstances, he uKtre than .,0 inch wide;even then the vt\(\y elTcct is considerahle. To the inner vi\<f!:^• of this plate are secure(| two rings (d non-magnetic metal K, whi then place and the parts at-tached thereto are supported li\ means oj tlie cylindrical slu-ll or HIGH FREqUENCr AXD UKjH POTEXTTAL CURREXTS. 379 casting a a, the two parts of which are brought together an<lclamped to the outer edge of tlie conductor d. The core for tlie field magnet is built up of two circul
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Keywords: ., bookcentury1800, bookdecade1890, bookidinventionsre, bookyear1894
