Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 163
556. The Ammonia Ice Machine, Fig. 180, consists ofa boiler, Z, connected to acooler, A, by a strong tube.The boiler contains commonaqua ammonia. It is firstplaced upon a furnace andthe cooler is placed in a tubof cold water, R. The heatliberates the gaseous ammo-Fig. 180. nia from the water, and it … 154 HEAT. passes into the cooler, where it is liquified by its own pressure. 557. When the liquif action is complete, the boiler isremoved from the furnace and placed in cold water, thecooler is removed from the water and wrapped in dry flan-nel, and a cylinder containing water is placed in a…
Physics
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