. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . iving boxes on the for-ward axle of the 2-10-2 type locomotive;rods, crank pins, driving axles and driv-ing boxes, driving box saddles, shoes andwedges, equalizing arrangement detailsand spring hangers. Both types of locomotives hav>j 20 28 in. cylinders, 11 in. piston valveswith 5^ in. valve travel, and an extendedwagon top boiler carrying 180 lbs. steampressure. The inside diameter of thefirst ring of the boiler is 63 in.; the firebox The -Mountain, 4-8-2 type locomotives,which are
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . iving boxes on the for-ward axle of the 2-10-2 type locomotive;rods, crank pins, driving axles and driv-ing boxes, driving box saddles, shoes andwedges, equalizing arrangement detailsand spring hangers. Both types of locomotives hav>j 20 28 in. cylinders, 11 in. piston valveswith 5^ in. valve travel, and an extendedwagon top boiler carrying 180 lbs. steampressure. The inside diameter of thefirst ring of the boiler is 63 in.; the firebox The -Mountain, 4-8-2 type locomotives,which are capable of exerting a tractiveforce of 28,600 lbs., have 60 in. drivers,and weigh lbs., 119,000 lbs. beingon the drivers, lbs. on the fronttruck, and on the trailing engine wheel-base is 34 ft. 7 in., anddriving wheel-base IS ft. 9 in. Thetenders have a capacity of six tons ofcoal and 5,000 gallons of water. Tlie road on which these locomotivesrun includes per cent grade and curvesof 492 feet. The track gauge is of the, 3 ft. 6 in. type which is the standard on. MOUNTAIN 4-8-2 TYPE LOCOMOTIVE FOR THE MANILA RAILROAD. AMERICAN LOCOMOTIVE COMPANY, BUILDERS. constructing engineers arranged to haveas many as possible of the detail parts ofthe two types of locomotives the same inorder to facilitate maintenance and reducethe number of extra parts which wouldhave to be carried by a road situated atso remote a distance from the point ofmanufacture. That the desiigners suc-ceeded to a high degree is evidenced fromthe fact that the interchangeable parts in-clude the boiler complete with attach-ments, cylinders complete, except inheight, valve motion parts with exceptionof eccentric cranks; trailing truck; cab;tenders; cocks and valves; fittings andbrake cylinders. The following parts are is 84V,8 in. long by 60J4 in. wide with130 2-in. tubes and 22 S^-in. flues, 18 in. in length. The heating surface is176 sq. ft. for the firebox, combustionchambe
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