Hutton, Frederick Remsen, 1853-1918 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 520
nst which the hot gasesimpinge) are always bathed by the descending water. Thiswas a feature of the Allen boiler (Fig. 397), and although itsuffered from the difficulty of repair to middle tubes, it hasbeen a favorite idea among German designers. If, however,the tube is of small diameter, and… … Fig. 392. Fig. 393.
Mechanical engineering · Steam power plants
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