. The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting . Fig. 141. MJ. Hlumiuum, the brush ha> hut an (|)liciiu-ral existence, and can-not, unfortunately, be indetinitcK |n-e>crved in it^ most sensi-tive state, even in a bulb devoid of any conducting studying the phenomenon. I»\ all nHaii> a hulii having noleading-in wire should be used. 1 have found it l>ist to usebulbs con>tructed a> iudicate(| in Iigs. ill and 14J. in Iig. 1 + 1 the bulb com|iri>e- an incandoeent
. The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting . Fig. 141. MJ. Hlumiuum, the brush ha> hut an (|)liciiu-ral existence, and can-not, unfortunately, be indetinitcK |n-e>crved in it^ most sensi-tive state, even in a bulb devoid of any conducting studying the phenomenon. I»\ all nHaii> a hulii having noleading-in wire should be used. 1 have found it l>ist to usebulbs con>tructed a> iudicate(| in Iigs. ill and 14J. in Iig. 1 + 1 the bulb com|iri>e- an incandoeent lanip globe /.,in the neek of which i> >cahd a harometer t ulic A. the end of whiehis blown out to birm a small >|iherc v. Phis splu-re sh(»uld besealed a> elustdv as possible in the centre of the large sealing, a thin tid»e /. lice!, may be slippedin the barometer tulir. but if is not important to emplo\ if. HIGH FBEQUENCT AND HIGH POTENTIAL CURRENTS. 227 The small hollow sphere s is tilled with some conductingpowder, and a ware v: is cemented in the neck for the purpose ofconnecting the cond
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Keywords: ., bookcentury1800, bookdecade1890, bookidinventionsre, bookyear1894
