. The Street railway journal . xiliary switchboards being placed in both build-ings for this purpose. A storage battery is provided, and,by means of throw-over switches on the lighting boards,the circuits can be connected to this source of current whenthe plant is shut down. There is a traveling crane running the entire length ofthe engine room. This crane has a capacity of 20 tons, andwas built by the Whiting Foundry Equipment steam-driven Westinghouse air compressor is installedin the basement which furnishes compressed air forblowing dust out of the generators, etc. This com-press
. The Street railway journal . xiliary switchboards being placed in both build-ings for this purpose. A storage battery is provided, and,by means of throw-over switches on the lighting boards,the circuits can be connected to this source of current whenthe plant is shut down. There is a traveling crane running the entire length ofthe engine room. This crane has a capacity of 20 tons, andwas built by the Whiting Foundry Equipment steam-driven Westinghouse air compressor is installedin the basement which furnishes compressed air forblowing dust out of the generators, etc. This com-pressed air is also used in connection with the automaticoiling system. The oil is circulated by means of gravityand is forced to the upper tank by the compressed air. 892 STREET RAILWAY JOURNAL. [Vol. XX. No. 23. Cross filters are used for purifying the oil. There isa fireproof oil room in a corner of the basement. Thisroom is 8 ft. by 12 ft., built of brick, with iron doors,and so arranged that the lubricating oils and grease can. CAR HOUSE OF WORCESTER & SOUTHBRIDGE RAILWAY be placed in it directly from a car on an adjacent the basement is also a Worthington fire pump having acapacity of 1000 gals, per minute, or four good streams. SUB-STATIONS There are two sub-stations, one at North Oxford] onthe road to Worcester, and the other nearthe Southbridge terminus. Each of thesestations is equipped with six 75-kw oil-cooled step-down transformers, and two200-kw rotary converters. The switch-boards consist of two alternating-currentpanels, two direct-current panels and adouble feeder panel. There are also high-tension alternating lightning arresters andcircuit breakers. Besides being built withlarge waiting rooms for passengers, thesub-stations will form an important adjunctin the development of the freight and ex-press business contemplated by the com-pany. CAR HOUSE The main car house is situated at Charl-ton City, near the power station. It is di-rectly
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
