The steam engine familiarly explained and illustrated; with an historical sketch of its invention and progressive improvement; its applications to navigation and railways; with plain axioms for railway speculators (1849)
in vividcombustion. The heated air, contained in the furnace f,is driven on, by the same force, through a small curved tubemarked e, which circulates like a worm, (as represented infig. 60,) through the horizontal generator or receiver; and,tapering gradually, until reduced to very small… … temperature when discharged into the chimney. The cylin-der, which is represented at k, works one pair of wheels, bymeans of a bell crank; the other pair, when necessary, beingconnected with them. In this engine, the magnitude of the surface of burningfuel on the grate bars is less than 2 square…
Steam-engines
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![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-855-555.webp)
