Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 930
iture 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 imperfectly ef-fected,… … 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…
