. Cassier's magazine . l. Butthis is so particular a case that it cari-not be made of general applicationand rather points against than forelectrical driving from an outsidesource. Given current at a cheap rate, elec-trical driving should show many ad-vantages. It would dispense withthe rope race and the obstruction thiscauses in some mills. Lighter shaft-ing could be employed if shaftingwere still retained, a long shaft hav-ing two or more motors in its the large capital interests of thecountry could find the way to worktogether for the common interest ofall, electrical driving from
. Cassier's magazine . l. Butthis is so particular a case that it cari-not be made of general applicationand rather points against than forelectrical driving from an outsidesource. Given current at a cheap rate, elec-trical driving should show many ad-vantages. It would dispense withthe rope race and the obstruction thiscauses in some mills. Lighter shaft-ing could be employed if shaftingwere still retained, a long shaft hav-ing two or more motors in its the large capital interests of thecountry could find the way to worktogether for the common interest ofall, electrical driving from an outsidesource could be made a certain suc-cess if it was generated by gas en-gines using the gas from blast fur-naces which is at present employedso uneconomically as to be only de-scribed as wasted. In England theblast furnaces should stand in thesame light as the water powers ofItaly, Switzerland and Scandinaviastand for those countries, except thatthese latter are liable to succumb to DRIVING OF COTTON MILLS 307. FIG. 11. CORLISS VERTICAL ENGINE OF THE CAIRO MILL, OLDHAM, CONSTRUCTED BY GEO. SAXON, LTD., OPENSHAW the force majeure of occasionalperiods of unusually low tempera-tures. Though the horizontal is the usualform of engine, some prefer the ver-tical type because it occupies less floorspace. In Fig. 10 is shown the triple-expansion engine like that of theMalta mill at Chadderton, near Old- ham. This mill was fitted with ma-chinery by Piatt Brothers, Ltd., ofOldham, and with engines by Buck-ley & Taylor, of Oldham. They areof the inverted vertical triple-expan-sion type, designed to drive 1,200 in-dicated horse-power with a boilerpressure of 180 pounds, three cranksat 120 degrees and a rope pulley car- 3o8 CASSIERS MAGAZINE ried on an extension of the crank-shaft. The high-pressure cylinder is 20inches diameter, the second cylinderis 32 inches and the low-pressurecylinder 52 inches. The stroke is 4feet, the speed 70 revolutions perminute. The valves are of Corlisst
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