. The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting . own in stction. Mr. Tesla uses a core, a, which is closed upiui itself tiiat is tosay, (d an annular cylindrical or e(|iii\alenl loiMn and as thecllicieiicy ot I he ,i|)|t;iral us is |;irgel\ increased ii\ the >lll idi vision 110 /.vr/-;.v7/ov> or //■:>/.\. • •t i-div. 1r niakts it «>t rliin >tri|).->, m- \\iii> ot xtttiron electrically insulated as till-as jiractieuhk. r]M»ii tlli^ coreare wound, say, four
. The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting . own in stction. Mr. Tesla uses a core, a, which is closed upiui itself tiiat is tosay, (d an annular cylindrical or e(|iii\alenl loiMn and as thecllicieiicy ot I he ,i|)|t;iral us is |;irgel\ increased ii\ the >lll idi vision 110 /.vr/-;.v7/ov> or //■:>/.\. • •t i-div. 1r niakts it «>t rliin >tri|).->, m- \\iii> ot xtttiron electrically insulated as till-as jiractieuhk. r]M»ii tlli^ coreare wound, say, four coils, n n u ii, used as primary coils, aiul forwhich loui; leutjths of coiiij>aratively tine wire are employed.()ver these coils are then wound shortei* coils of coarsei wire, v cc c, to constitute the induced or secondary coils. The construc-tion of this or any equivalent form of converter may he cai-riedfurther, as ahove pointed nut, hy im-losinir these coils with iron—as, for exam|»lc. hv wimliiit:- \ci- tlic (•(iil> layi-rs of insulatediron wiic. The <levice is provided with suitaitle l»indiuir p(»sts, to which. mmmmm^ m^mmmjm I Y\ itj iiiid <i:!. the !le II and It is are (■•iiiieeted, respeeti\cly. in series, and the fourternniials are connecte<| it. the liindinii- posts. The induee(|coils are eoiineeted toLcether in any desired manner. lor e\-ample, as shown in I-ii;. <.»|, ( <may l»e eniinectetl in mnlti|)|earc when a <piantity eiirreiit i^ desiretl as for riininnu a Liinupof incHndcscent lani|»s while r < max he independent l\ <-()nnected in series in a ciiviiit inclndinir ,ii-e lamps dp the like. Thejfenerator in ; .•system will he ada|)le(j tn the converter in the IoL currents. Ill manner illustrated. For example, in tlie present ease there areemployed a pair of ordinary permanent or electro-magnets, e e,between which is monnted a cylindrical armature on a shaft, k,and wound with
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Keywords: ., bookcentury1800, bookdecade1890, bookidinventionsre, bookyear1894
