Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 936
a very large expenditure ofheat was required for evaporation, and the working ofthe apparatus, moreover, was rendered intermittent. Thiswas owing to the distillation, which is the most importantoperation, and has of necessity to be executed in a rapidmanner, being, in the first machines, very… … 902 Steam Engineering refrigerator^ and the consequent necessity for constant ad-ditions of ammonia. Fig. 379 illustrates an ammonia absorption, refrigerat-ing.device^ one of a leading American type, and will givea clear idea of the operation in general of the system. A constant pressure of about…
