d afterwards ex- In this condition the air enters. cylinder B, where the ex- nearly thirty-five cubic feet of air, or, as the former is double panded, or, more generally speaking, those in which heat is acting, twice that number, are compressed with every revo- pansion takes place under a gradually… … | ni | hed, Cae the apparatus of Kirk of Glasgow, Mignot of Paris, and the Windhausen invention, to which the following description will more particularly refer. (8) Those in which cold is pro- duced by the direct action of heat without the use of power, Supposing the air on entrance to be at 80°…
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