A system of natural philosophy, designed for the use of schools and academies (1845)
Moffat, J[ohn] M. [from old catalog] · Philadelphia, E. C. Biddle · leaf 315
urrent.For the fluid in the inner vessel or cy-linder, being free from bubbles, will, in consequence of its supe-rior specific gravity^ descend and arrange itself beneath the risingColumns of the outer vessel, and thus continue the circulation. 106. If the fire be urged so as to produce an… … In what manner has Perkins sought to render the action of the surfaceof a boiler uniform ? Explain the manner in which the circulation is maintained by the pro-duction and escape of vapour ? THE STEAM-ENGINE. 313 heavy substance of moderate size which may happen to be inthe boiler, sweeping off, in…
Physics
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