. The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting . rt the arc, and hold thecarbons until the arc lengthens and the arniatuic lever returns tothe normal positi(»n. After this tliecarbm, so as to UviX the carbon andrestore the ar< to its normal length. Fig. !^TS an elevation of the mechanism made use id inthis arc lam|). Iiir. JT. is a plan view. Iig. :iS» is an ele-vation (d till- balancing h-vrr and spring; Iig. JM is a de- DIRECT CURRENT ARC LIGHTING SYSTEM. ^i1 taelied plan view of tlie pole
. The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting . rt the arc, and hold thecarbons until the arc lengthens and the arniatuic lever returns tothe normal positi(»n. After this tliecarbm, so as to UviX the carbon andrestore the ar< to its normal length. Fig. !^TS an elevation of the mechanism made use id inthis arc lam|). Iiir. JT. is a plan view. Iig. :iS» is an ele-vation (d till- balancing h-vrr and spring; Iig. JM is a de- DIRECT CURRENT ARC LIGHTING SYSTEM. ^i1 taelied plan view of tlie pole pieces and anuatnres upon thefriction clamp, and Fig. 2S2 is a section of the clamping tube. M is a helix of coaise M-ire in a circuit from the lower carbonholder to the negative binding screw—. x is a helix of fine wirein a shunt between the positive binding screw -\- and thenegative binding screw —. The upper carbon holder s is a paral-lel rod sliding through the plates s s~ of the frame of the lamp,and hence the electric current passes from the ])ositive binding. Fig. 278. Fro. 383. i^ ra-^
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Keywords: ., bookcentury1800, bookdecade1890, bookidinventionsre, bookyear1894
