. American engineer and railroad journal . was made 40% ins. wide. Thisclass is also equipped with a C. P. R. superheater, having88—114-in. tubes with an average length of 10 ft. 8 ins., givinga superheating surface of 307 sq. ft. The shorter flues reducethe total heating surface as compared with D10 and give atotal of 2,313 sq. ft., of which 188 is in the firebox and 2,125in the tubes. The illustrations shows the general arrangementof this boiler, which differs from that used on the class D10principally in the firebox. Some of the boiler details will betaken up later. The general elevation of


. American engineer and railroad journal . was made 40% ins. wide. Thisclass is also equipped with a C. P. R. superheater, having88—114-in. tubes with an average length of 10 ft. 8 ins., givinga superheating surface of 307 sq. ft. The shorter flues reducethe total heating surface as compared with D10 and give atotal of 2,313 sq. ft., of which 188 is in the firebox and 2,125in the tubes. The illustrations shows the general arrangementof this boiler, which differs from that used on the class D10principally in the firebox. Some of the boiler details will betaken up later. The general elevation of the class D10, illustrated herewith,shows the general dimensions and location of the differentparts, and later on in this article the details will be taken upand separately discussed. The class Dll differs in generalarrangement from D10 in the fact that the very wide fire-box made it necessary to place the cab on the boiler changed the location of the sand box and bell, the former 102 AMERICAN ENGINEER AND RAILROAD


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering