Ipswich And Bundamba . chines are capable of turning out180 tons of coal per day of eight hours. They consist of sharp steel heads,working at great speed on an endless belt, and take a horizontal cut into theseam 6 feet deep by 3 feet 9 inches wide, and several inches in height. Threemen with one of these machines can do the work of eighteen. Another cuttingmachine, of greater capacity and possessing further improved features, is onthe ground, and will shortly be erected. Two of the coal-cutting machinesare by the Jeffrey Manufacturing Company, and one by the Goodman is supplied
Ipswich And Bundamba . chines are capable of turning out180 tons of coal per day of eight hours. They consist of sharp steel heads,working at great speed on an endless belt, and take a horizontal cut into theseam 6 feet deep by 3 feet 9 inches wide, and several inches in height. Threemen with one of these machines can do the work of eighteen. Another cuttingmachine, of greater capacity and possessing further improved features, is onthe ground, and will shortly be erected. Two of the coal-cutting machinesare by the Jeffrey Manufacturing Company, and one by the Goodman is supplied to the generating plant by a large Lancashire boiler. Thegenerating plant consists of a McEwen engine, rated at , having a16-inch stroke and 16-inch diameter of cylinder. The dynamo is a 6-pole, madeby the Eidgway Dynamo and Engine Company, of Eidgway, Pennsylvania,for the Jeffrey Manufacturing Company, 100 , 550 revolutions per minute,275 volts and 366 ampere at full load. The coal seam in the highest place. COALMINEES AT WORK. worked is 15| feet where the cutting machines work, and is 11 feet high;undercut, 6 feet. This mine is an exceptionally dry one. There is no moisture,and an absolute absence of gases. Owing to the thickness of the seam, thepassages are lofty, and can be traversed without stooping. To roam theseunderground corridors and watch the lines of loaded and empty trucks dashingupwards and downwards on the cable tramway, and to see the cutting-machinetearing out the coal, is an interesting experience for the average man. About /5 j IfWlCH AND BUNDANBA. 111! ;««XIllllg IP
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectstateli, bookyear1908
