The steam engine familiarly explained and illustrated; with an historical sketch of its invention and progressive improvement; (1836)
Lardner, Dionysius, 1793-1859, Renwick, James, 1790-1863. [from old catalog] · Philadelphia, E. L. Carey & A. Hart · leaf 159
cepting toclean the fire; the boiler of course is not exposed to that con-tinual irregularity of temperature which is unavoidable inthe common furnace, and which is found exceedingly inju-rious to boilers. 3dly, The only attention required is to fillthe coal receiver, every two or three hours, and… … FURNACE. 131 able quantity of coal is passed into the ash-pit) is attainedwithout moving the coal upon the grate. The fire-place is a circular grate placed on a vertical shaftin a horizontal position. It is capable of revolving, and ismade to do so by the vertical shaft, which is turned by…
Steam-engines
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