y blocks of ice vary in size according to the different capacities the physical law has long been known, the problem until the action of the pump into a condenser, where it is cooled recently has been to select the liquid and invent the of machines. to the temperature of running water, that is to… … range of condensation and expansion,and was the Another illustration (Fig. 2) is the “‘ refriger- element first used for the production of cold. ating” process. It is not here intended to Briefly, it is held in solution in water, and by the freeze water, but only to cool the air of a room…
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