File:Pacific service magazine (1918) (14783074802).jpg

Identifier: pacificservicema1019paci (find matches)
Title: Pacific service magazine
Year: 1912 (1910s)
Authors: Pacific Gas and Electric Company
Subjects: Pacific Gas and Electric Company Electric utilities Electrical engineering Public utilities
Publisher: San Francisco : Pacific Gas and Electric Company
Contributing Library: San Francisco Public Library
Digitizing Sponsor: San Francisco Public Library

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gn are employed for brazing the copperplates and tubing. For this work gas hasproved the onlj^ satisfactory fuel. Forheating the administration buildingsventilated gas radiators are employed toadvantage, their use permitting of anefficient and even distribution of heat.Where the floor space is at a premiumthe radiators are placed on bracketssecured to the wall about six feet fromthe floor. In this plant gas fuel has be- The electrical energy is delivered tothree transformer stations on thepremises of the shipbuilding plant fromthe South San Francisco substation ofthe Pacific Gas and Electric Companyover a 4000-volt, three-phase, four-wirecircuit carried on high poles to pointsadjacent to the transformer stations.Lead-covered underground cables are em-ployed to conduct the current from theoverhead line to the transformers withinthe stations where the high voltage^, is re-duced to 440 volts for power purposesand 110 volts for lighting. Five electricwelding machines are also supplied. At
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Portion of the meter and regulator installation supplying gas to the Selas system at the Schaw-Bateher plant. One of the largest installations of the kind on record. yond question contributed very largely tothe high efiiciency that has been attained.Electricity furnishes the power for theair compressors which supply air for theoperation of the pneumatic tools of vari-ous kinds and the operation of many dif-ferent machines used to prepare the hugesteel plates employed in ship construc-tion. The ease with which these ma-chines punch rivet holes in the platesand hammer them into various shapesreveals in a large measure the secretwhich makes it possible nowadays toturn out ships of large size in a com-parativelv short time. this writing 3028 h. p. is installed inmotors and 150 h. p. in lights at the ship-building plant. The construction of the Schaw-Batchershipbuilding plant was commenced inAugust, 1917, and the first ship, theIsanti, was launched on June 3, 1918. Working conditions are i

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