. Electric railway journal . INTERBOROUGH POWER PLANT—FIG.—HEAT-BALANCE VALVE 11 is about 4 ft. 6 in. in diameter andand the 2 per cent coil is about 4 ft. 6in. in diameter by 3 ft. 6 in. long. The oil switches are of standard General Electricmanufacture, type H6, with 10-in. pots. The generators have been designed for their ratedcapacity, 30,000 kw, with 55 deg. Cent, temperaturerise. They are ventilated by means of fans which formpart of the revolving field. The air is taken in throughthe openings below the bedplates, shown in Fig. 5, and is. INTERBOROUGH POWER PLANT—FIG. TAKE SCREEN 12—REVO
. Electric railway journal . INTERBOROUGH POWER PLANT—FIG.—HEAT-BALANCE VALVE 11 is about 4 ft. 6 in. in diameter andand the 2 per cent coil is about 4 ft. 6in. in diameter by 3 ft. 6 in. long. The oil switches are of standard General Electricmanufacture, type H6, with 10-in. pots. The generators have been designed for their ratedcapacity, 30,000 kw, with 55 deg. Cent, temperaturerise. They are ventilated by means of fans which formpart of the revolving field. The air is taken in throughthe openings below the bedplates, shown in Fig. 5, and is. INTERBOROUGH POWER PLANT—FIG. TAKE SCREEN 12—REVOLVING IN- April 17, 1915] ELECTRIC RAILWAY JOURNAL 749 discharged through ducts to the boiler house, eventu-ally reaching the stoker fans. The generators haveabout 8 per cent reactance, and the armature windingsare braced with extraordinary firmness to withstandthe mechanical effects of short-circuits. The changes described in this article were designedand carried out by the engineers of the InterboroughRapid Transit Company, under the direction of HenryG. Stott, superintendent of motive power. Those inresponsible detail charge were Reginald J. S. Pigott,mechanical construction engineer, and Gaylord C. Hall,electrical engineer. Safety First for You and Me An Account of Chicagos Safety Work, Particularly theUse of Moving Pictures in Parks and Schools—Acci-dents to Children Have Been Reduced 80 Per Cent BY H. L. BROWNELL, SAFETY INSPECTOR CHICAGO SURFACE LINES In these safety first days where we see safetyfirst banks, safety first p
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