. Electric railway review . er bolt in the positionin the center of the shell. It is expected that this methodof construction will effect a saving in first cost. June 5, 1907. ELECTRIC RAILWAY REVIEW AN AIR-OPERATED YARD CRANE. The air crane shown in the accompanying illustrationswas built in the shops of the San Francisco Oakland & SanJose Railway (Key Route), Oakland. Cal. It has been ofconsiderable value in handling material in the general storageyards. The line drawing will serve to give the dimensionsand detail arrangement of the crane. The principal pan ofthis useful tool comprises a
. Electric railway review . er bolt in the positionin the center of the shell. It is expected that this methodof construction will effect a saving in first cost. June 5, 1907. ELECTRIC RAILWAY REVIEW AN AIR-OPERATED YARD CRANE. The air crane shown in the accompanying illustrationswas built in the shops of the San Francisco Oakland & SanJose Railway (Key Route), Oakland. Cal. It has been ofconsiderable value in handling material in the general storageyards. The line drawing will serve to give the dimensionsand detail arrangement of the crane. The principal pan ofthis useful tool comprises an air cylinder 7 inches in diameterand 6 feet 6 inches long, mounted on a boom so supportedthat it can swing around a mast stepped on a platform 4 by 6feet, which is in turn clamped to the floor of a fiat car. EXTENSION OF THE SOUTHWESTERN TRACTIONCOMPANY. The Southwestern Traction Company of London, Ont.,which has had a line in operation between London and 18% miles, for the past 12 months, is now completing. Key Route—Air-Operated Crane as Mounted on Flat Car. Fastened to the end of the piston in the air cylinder is a20-inch sheave, carrying a %-inch wire cable, which passesover the top of a second fixed sheave at the ecd of the longboom. By means of suitable tongs fastened on the free end ofthis wire cable and a supply of air from the motor-driven its extension from London to Port Stanley, 29% miles, whichis expected to be opened for traffic in July. An official reportfrom C. P. Raikes, chief engineer, states that grading is now-completed and the overhead work, which is partly of thebracket type and partly double-pole span construction, isfinished as far as Union, 26% miles. Sixty-pound rails areused throughout. The steepest grade is 4% per cent. Apower house of 1,000-horsepower capacity is located at London,and contains 10,000-volt, 3-phase generators, operated byvertical compound inclosed engines, operating at 375 revolu-tions per minute. Three substations are
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectstreetr, bookyear1906
