. Cassier's magazine. PIONEER WORK IN POWER TRANSMISSION 95 any other insulators could have donebetter, unless bullet-proof. Collegelaboratory tests to the contrary notwith-standing, leakage losses are inappreci-able, except during severest storms, andthen not serious where insulators areunbroken. It is a mistake to suppose thatUtahclimate is favourable. During the rainyseason it is as wet as any, and the alkalidust of the so-called salt storms is as into an arc, like that which was photo-graphed by Mr. C. E. Baker, the linepatrolman at Mercur, and which hasseveral times been published. A quic
. Cassier's magazine. PIONEER WORK IN POWER TRANSMISSION 95 any other insulators could have donebetter, unless bullet-proof. Collegelaboratory tests to the contrary notwith-standing, leakage losses are inappreci-able, except during severest storms, andthen not serious where insulators areunbroken. It is a mistake to suppose thatUtahclimate is favourable. During the rainyseason it is as wet as any, and the alkalidust of the so-called salt storms is as into an arc, like that which was photo-graphed by Mr. C. E. Baker, the linepatrolman at Mercur, and which hasseveral times been published. A quickturn of the generator rheostat at thecritical instant breaks the arc, withoutinterrupting service of induction arrangement of power houses andtransmissions already described is suchthat the opening of paralleling switchesmay resolve the system into a single. THE LOGAN POWER HOUSE trying as sea-coast spray. At timesdense volumes of this impalpable dustfrom the Great Desert are accompaniedby clouds or fog. In this damp, stickystate the dust completely covers to aconsiderable depth the under as well asthe upper surfaces of insulators, as wellas poles, cross-arms and pins. Overthese surfaces streamers gradually creepuntil, meeting at the pole, they break transmission from ioo to nearly 400miles in length with a generator at eachend, yet side by side. If one generatorbe reversed, synchronised as a motorwith the other and loaded by its water-wheel, any length of transmission may,by manipulation of a paralleling switch,be alternately cut in and out betweenthem. Since switchboards and instru-ments are connected, measurements 196 CASSIERS MAGAZINE Ij,0gS^l Logan Power Hous THE ELECTRICAL DISTRIBUTING LINES OF THE TELLURIDEPOWER COMPANY
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