. The street railway review . raising or lowering an ironplunger into the water so that the short circuit, if not tooheavy, may be burned out. The engine room also contains three Worthington jetcondensers, which, on account of there being no water inthe neighborhood, are suppHed from a Worthington coolingtower having a capacity of 30,000 lb. of steam per fans in the cooling tower are driven by a General Elec-tric motor of special design, its chief feature of interest beinga possible variation of 100 per cent in speed. It will also 368 STREET RAILWAY REVIEW. [Vol. IX., No. 6. operate o
. The street railway review . raising or lowering an ironplunger into the water so that the short circuit, if not tooheavy, may be burned out. The engine room also contains three Worthington jetcondensers, which, on account of there being no water inthe neighborhood, are suppHed from a Worthington coolingtower having a capacity of 30,000 lb. of steam per fans in the cooling tower are driven by a General Elec-tric motor of special design, its chief feature of interest beinga possible variation of 100 per cent in speed. It will also 368 STREET RAILWAY REVIEW. [Vol. IX., No. 6. operate on any intermediate speeds. It is of the 6-pole type,and is dJ:ect connected to the fan shaft. The boiler room is situated directly behind the engineroom and measures 60 x 80 ft. It contains 6 water tubeboilers; 3 are rated at 200 h. p. and 3 at 300 h. p. are set with Murphy automatic smokeless furnaces,and three with plain furnaces. These are fed by two Wprth-ington pumps, 9 x sJ/j x 10 in. in dimensions. They are. FIG. 9-EMERGEXCY WAGON. brass fitted throughout, and discharge their water through aWainwright feed water heater. The boilers are connected to a steel self-supporting stack6 ft. in diameter and 125 ft. high. The piping is fittedthroughout with Chapman valves : Blake atmospheric valvesare used on the engines. The lighting current of this station is from a 30-k. Electric marine set. This plant is in charge of S. Bolten, chief engineer. densing engines, measuring 17 and ;^2 x 48 in., which run at94 r. p. m. These are rated at 500 h. p. each, and each isdirect connected to an cS-pole General Electric generator of300 k\v. capacity. In the adjoining room is a Mcintosh& Seymour compound condensing engine with a lo-poleGeneral Electric generator exactly similar to the two units in the P St. station. The switchboard, Fig. 13, is ex-actly similar to the one previously described, with the ex-cejition of having one more generator panel. There
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