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
chines. These properties havebeen employed in the artificial production of ice. Twomachines devised by Carre will show the general plan of all. 555. One is simply a modification of Leslies experiment.It consists of a cylinder made of an alloy of lead and an-timony, containing sulphuric acid, and… … 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
Physics
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