A history of the growth of the steam-engine (1878)
Thurston, Robert Henry, 1839-1903 · New York, D. Appleton · leaf 374
for economy of fuel. The boil-ers are of the upright tubular style, with internal fire-bo2^ PORTABLE AND LOCOMOTIVE ENGINES. 349 and are intended to be worked at 150 pounds pressure perinch. They are fitted with a baffle-plate and circulating-pipe,to prevent priming, and also with a fusible plug,… … Tia. 115.—Semi-Portable Engine, 1878. is, that the cylinder is placed in the top of the boiler, whichis upright. By this arrangement the engine is constantlydrawing from the boiler the hottest and driest steam, andthere is thus no liability of serious loss by condensation,which is rapid, even in a…
Steam-engines
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