. The Street railway journal . OR The comparative cost of labor andsupplies for gas and steam plants is dif-ficult to state in definite terms. Withthe same character of labor thereshould be no appreciable difference be-tween the two. We have compiledTable 4 (page 598) to show the oper-ating costs of eleven London districtstations, as compared with the gasplant at Walthamstow. These plantshave been chosen, as they are locatedsimilarly in respect to accessibility offuel. The table shows labor costslightly in favor of steam, but it mustbe remembered that this is a compari-son of one gas plant, ha
. The Street railway journal . OR The comparative cost of labor andsupplies for gas and steam plants is dif-ficult to state in definite terms. Withthe same character of labor thereshould be no appreciable difference be-tween the two. We have compiledTable 4 (page 598) to show the oper-ating costs of eleven London districtstations, as compared with the gasplant at Walthamstow. These plantshave been chosen, as they are locatedsimilarly in respect to accessibility offuel. The table shows labor costslightly in favor of steam, but it mustbe remembered that this is a compari-son of one gas plant, having smallunits, against a number of larger steamplants, which might readily be more favorable in larger gas in-stallations. With an up-to-date steam plant, using high-pressuresteam, superheaters, economizers, high-grade condensing appa-ratus and the like, the labor item should, if anything, exceed thatof a gas plant equipment of the same grade. At the two Guernsey * Journal of Institution of Electrical Engineers, April, FIG, OF 190O-HP INDUSTRIAL GAS PLANT OF THE WINCHESTER REPEATINGARMS COMPANY, SHOWINC. SOLE-PLATE PIER CONSTRUCTION world over for the use of a storage battery auxiliary in railwayplants, and it should prove even more desirable in a gas powerthan in a steam power plant. In fact, gas storage is often to bedesired in many plants where the gas demand varies greatly,simply as an insurance against poor gas, due to careless , however, simply relieves the gas generating equipment, whileelectric storage relieves the entire station, 598 STREET RAILWAY JOURNAL. [Vol. XXVi. No. 14. stations referred to above the labor cost averaged very nearly thesame for steam or gas. It is true that a gas plant cannot be successfully operated by anignoramus, any more than can a high-grade steam plant, which, TABLE IV.—OPERATING COSTS *London Metropolitan Boroughs.—Year Ending March 31, 1904. TABLE No. VI.—WORKING COSTS—GAS POWER STATION, WALTHAM-
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