The elements of natural philosophy : copiously illustrated by familiar experiments and containing descriptions of instruments, with directions for using : designed for the use of schools and academies (1856)
Sprague, A. W. (Alfred White), 1821-1891 · Boston : Phillips, Sampson & Company · leaf 133
steam its great motive power ? What is said ofthe elastic force of vapor from water at 212^ of Fahrenheits thermometer ?Effect upon the boiling-point by heating water in a tight vessel ? Give theexperiment with Marcets Steam-Globe. Does the elastic force of the vaporincrease with its temperature ?… … heights varying with the tension and pressureof the steam. * Thus, at a temperature of 249°,the pressure of the vapor will have increased tothat of two atmospheres, 293° to four:320° to six atmospheres, and so on. Thus,the elastic force corresponding to each ad-ditional degree of heat may be shown…
Physics
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