Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 472
he shorter. In the PVench boiler there may TYPES OF BOILERS. 435 be one or two lower cylinders. In the union boiler thelower cylinder is apt to be the larger, and may have tubesthrough it, and, in place of the separate necks, the boilers maybe united along their whole length. Fig. 370 shows the… … Fig. 370. The elephant or superposed arrangement increases water-storage, and therefore heat storage, with a given diameter ofshell for each cylinder, and without increasing ground-planarea. The smaller diameter of the cylinder makes it saferagainst rupture. Heating-surface is also increased.…
Mechanical engineering · Steam power plants
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