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 132
e sametime the rod f is raised, and the valves b and c are opened.Steam is now admitted through an aperture above the valvec, and passes below the piston, while the steam above itpasses through the open valve b into a tube immediatelyunder it, which leads to the condenser. A vacuum being:thus… … 8 [DOTD IBiUffi AtTlMC STJHL&M KB GltKlE
Steam-engines
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