. The Street railway journal . POWER HOUSE AT ST. JOHNS 12 ft 3 ins. wide and 7 ft. deep. They are grouped six boilersin a nest, with a steel stack 5 ft. in diameter and 90 ft. high foreach pair, resting on the division wall between the addition to these stacks a steam-driven blower, capable ofdeveloping a 2Vj-in. forced draught is installed. The boilersoperate under 125 lbs. pressure. A Wainright feed-water-heater, supplied l)y the Taunton Locomoti\-e & ManufacturingCompany, is used to heat the water supply. The furnaces andgrates are designed to burn very fine anthracite coal, and
. The Street railway journal . POWER HOUSE AT ST. JOHNS 12 ft 3 ins. wide and 7 ft. deep. They are grouped six boilersin a nest, with a steel stack 5 ft. in diameter and 90 ft. high foreach pair, resting on the division wall between the addition to these stacks a steam-driven blower, capable ofdeveloping a 2Vj-in. forced draught is installed. The boilersoperate under 125 lbs. pressure. A Wainright feed-water-heater, supplied l)y the Taunton Locomoti\-e & ManufacturingCompany, is used to heat the water supply. The furnaces andgrates are designed to burn very fine anthracite coal, and theboilers are set very high to permit the utilization of boilers were installed during the coal strike of 1902, andwere started up with bituminous coal instead of the fine anthra-cite for which they were originally intended. The coal usedwas from the Pennsylvania bituminous coal fields, and wastermed a rather smoky burning coal, yet these furnaces con-. SECTIUN OF POWER HOUSE AND COAL TRESTLE connections to trolley and shoe is designed to permit the changebeing made on a grade without losing contact. POWER PLANT The power house is located miles from the Hazleton endof the line, on the Nescopeck Creek, which supplies suitablewater for the boilers. The building is 132 ft. long and 84 , and there is a coal trestle at the side. It is a substantialbrick structure with steel frame work and cement flooring sumed it perfectly, and smoke was very rarely seen comingfrom the stacks, except at such times as the doors were openfor the purpose of stoking. The lowest row of tubes is about6 ft. from the grate and is covered with C-tile brick, providingfor the gases a large combustion chamber and permitting themto travel the whole length of the boiler before coming in con-tact with tubes that cool them to any extent. In a test made on these boilers, using rice anthracite coal March 7, 1903.] STREET RAILWAY JOURNAL. 351 with 22 per cent ash
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
