. The Street railway journal . WORKING A GRAVEL PIT POWER HOUSE UNDER CONSTRUCTION through the heater the water is forced into the boiler by ayl/2-m. x 4-in. x 10-in. duplex outside type Blake plunger feed-water heater, which is of 1000 hp, is mounted on anelevated gallery, and the feed pumps are un-derneath it. The water passes from the heaterto the feed pumps by gravity. Each boiler isalso fitted with one Penberthy injector. The engine room contains two 20-in. x , single, non-condensing Allis Cor-liss engines, operating at 100 r. p. m., and eachbelted to a 300-kw dir
. The Street railway journal . WORKING A GRAVEL PIT POWER HOUSE UNDER CONSTRUCTION through the heater the water is forced into the boiler by ayl/2-m. x 4-in. x 10-in. duplex outside type Blake plunger feed-water heater, which is of 1000 hp, is mounted on anelevated gallery, and the feed pumps are un-derneath it. The water passes from the heaterto the feed pumps by gravity. Each boiler isalso fitted with one Penberthy injector. The engine room contains two 20-in. x , single, non-condensing Allis Cor-liss engines, operating at 100 r. p. m., and eachbelted to a 300-kw direct-current Bullock rail-way generator. This simple arrangement ofmachinery was adopted for the reasons pre-viously mentioned and on account of the lowcost of fuel, as the entire cost of gas for theoperation of a station is estimated at less than$1,000 a year. Direct current was used inplace of alternating current for the samereason—that is, to reduce the interest chargeson the plant. The drop on the feeder systemwill natura
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
