by substances. Now, the question is, how to turn the heat to E; thence it passes uniformly through all the tubes over the temperature of the generator, B, became higher than that of account for the introduction of pure air. The mode of do- the condenser, E, vapor would at once be formed in the re-… … temperature of the water is less than Now, this body is no other than the at- of air which passes through the numerous holes of the plate. that of the air, it can maintain the 3.—AMMONIA REFRIGERATOR. mospheric air freely entering at the ori Above this plate cold water is introduced by the pipe, T,…
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