A text-book of physics, largely experimental. On the Harvard college "Descriptive list of elementary physical experiments." (1891)
Hall, Edwin Herbert, 1855-1938, Bergen, Joseph Y. (Joseph Young), 1851-1917 · New York, H. Holt and Company · leaf 386
s method isindicated in Fig. 198. Astrong closed glass tube con-tains in one end a solid orliquid which gives off at ahigh pressure, when heated, the gas that is to be condensed.The other end of the tube is surrounded by a freezing-mix-ture, and in this end condensation occurs. Six gases,… … FIG. 198. 364 PHYSICS. ing independently and by somewhat different methods, suc-ceeded in liquefying all of these gases. Liquid air is now obtained by the process of regenera-tive cooling, which may be described generally as fellowsAir at a rather low temperature is allowed to escape througha valve…
Physics
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.
