Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 496
-16^6- Fig. 387.244. Spherical Unit Type.—Figs. 385 and 386 show asectional boiler built up of spheroids of cast iron in earlier TYPES OF BOILERS. 459 forms, and latterly of steel castings of Bessemer metal. Theseeach have circular openings which fit similar openings in theunits above and below… … Fig. 388.crosswise by wrought-iron tie-rods, which come out throughthe cap which closes the last openings in any series. Thesetie-rods not only provide the strength to resist the tendency 460 MECHANICAL ENGINEERING OF POWER PLANTS. to separate, and furnish a flexibility for the connections, butalso…
Mechanical engineering · Steam power plants
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