. The street railway review . e accu-mulator car mileage insteail of lo the increase in the stationoutput. The Metro|)olilan road of Washington, D. C, 438 ^>t;^l^\aiWay-j\eV^ rciliiccil its coal per li. p. per hour 30 per cent by increasingthe total output, from 3,400 to 13,400 electrical h. (lay and as the output of the Hanover station wasmore than doubled we are of the opinion that the effectnoted is due in a greater part to this cause than to the actionof the accumulators in acting as regulators for the stationload. The figures given for the interest charges for a conduitsyst
. The street railway review . e accu-mulator car mileage insteail of lo the increase in the stationoutput. The Metro|)olilan road of Washington, D. C, 438 ^>t;^l^\aiWay-j\eV^ rciliiccil its coal per li. p. per hour 30 per cent by increasingthe total output, from 3,400 to 13,400 electrical h. (lay and as the output of the Hanover station wasmore than doubled we are of the opinion that the effectnoted is due in a greater part to this cause than to the actionof the accumulators in acting as regulators for the stationload. The figures given for the interest charges for a conduitsystem, cents per car-kilometer, being four times asnnich as the total cost of operation and maintenance of theaccumulator system, we think require further explanation. HEVNER CONCRETE CONSTRUCTION. The illustrations show the construction of the permanentroadways invented by Peter Hevner and known as the Ilev-ner system. Fig. i is a cross section of the roadbed for anelectric conduit system ; concrete strengthened by tie rods. 0 r /8 Square r,q2 HEVNER SYSTEM.
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
