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 87
e tube n, and it willcontinue to rise until the column balances the pressure ofthe condensed air. If, when the water is suspended in thetube, and the cock m open, the vessel i is half filled, theheight of the column in n will be 34 feet, because 34 feet ofwater has a pressure equal to the… … Drawn by tfie Author. JSm/r. byHMavei JAMES WATT. 73 thirds of i be filled with water, a column of 68 feet will besupported in n ; for such a column, united with the atmo-spheric pressure on it, gives a total pressure equal to threetimes that of the atmosphere, which balances the air in icompressed…
Steam-engines
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