A text-book of physics : with sections on the application of physics to physiology and medicine (1902)
Lehfeldt, Robert Alfred, 1868-1927 · London : E. Arnold · leaf 94
va-tions on air, would be indistinguishable from it without accuratemeasurement. But if we represent the product pv vertically asa function of the pressure p (Fig. 33), then the behaviour ofa perfect gas will beshown by a horizontalstraight line (constantvalue of pv), and thatof air and hydrogenby… … oSAtnws.Fig. 32. will choose the temperaturehighest used in modern steam-engines. Steam at atmospheric pressure can exist at this tem-perature, if it has space enough; for if water be boiled ina flask, and the vapour be led through a tube over a flame, it canbe raised ( superheated) to 200° or any…
Physics
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