Journal of electricity, power, and gas . the country has often resulted in theadoption of (his special equipment of western manufacture. Some of the first difficulties encountered in the highervoltage transmission systems on. the Pacific Coast weredue to the lack of proper switching equipment. The designand building of switches locally has as a result, grown intoa permanent and thriving industry. The Pacific Electric Manufacturing Company, San Fran-cisco was formed in 1906 for this purpose, and immediatelycommenced the manufacture of the Baum switch and othertypes, which have been developed fr
Journal of electricity, power, and gas . the country has often resulted in theadoption of (his special equipment of western manufacture. Some of the first difficulties encountered in the highervoltage transmission systems on. the Pacific Coast weredue to the lack of proper switching equipment. The designand building of switches locally has as a result, grown intoa permanent and thriving industry. The Pacific Electric Manufacturing Company, San Fran-cisco was formed in 1906 for this purpose, and immediatelycommenced the manufacture of the Baum switch and othertypes, which have been developed from comparatively crudeoriginals into standard products used throughout the UnitedStates. It is a credit to California engineering that the linesof the Great Mississippi River Transmission system, from Keokuk to St. Louis, are equipped with 100,000 volt, 60,000volt and 35,000 volt line switches manufactured by this com-pany. The line switches of the Hulls substation of the Miss-issippi River Power Company, which are here illustrated, the. i i --r-a^ltf&v^^pfc ! ?Mr —*c* 1/ M [ ^x^SCfewjt^jgv- ?-*®*m$ty&pT~// P A ??:- ,., ....- Pacific Electric 100,000 Volt Automatic Oil Switch-Port Marion Switching Station—Sierra &San Francisco Power Co. Shipment of 50 Pacific Electric 13,000 Volt Switchesfor Southern California Edison Company. 100,000 volt switches of the Alabama Power Company, andof the Great Western Power Company, are also the product ofthis factory, as are the 100,000 volt oil switches of the Sierra& San Francisco Power Companys transmission lines switch-ing stations and many of their substations. The Pacific Electric Manufacturing Companys activitiesare by no means confined to the higher voltages, as the ac-companying photograph of fifty 13,000 volt switches, formingone-eighth of the orders received from the Southern Califor-nia Edison Company for the year 1913, will show. The South-ern California Edison Company has adopted this type ofswitch exclusively for its 1
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Keywords: ., bookauth, bookcentury1800, bookdecade1890, booksubjectelectricity
