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)
he 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 tns^tutfi. JAMES WATT. id 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 into one-third of…
Steam-engines
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