Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 30
spaces be-tween the tubes, and off to the chimney. The water insidethe tubes, as it is heated, tends to rise towards the higherend, and as it is converted into steam—the mingled col-umn of steam and water being of less specific gravity thanthe solid water at the back end of the boiler—rises… … Fig. 9partial vertical section babcock & wilcox boiler 20 Steam Engineering tinuous circnlation. As the passages are all large andfree^ this circulation is very rapid, sweeping away thesteam as fast as formed, and supplying its place with wa-
