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 202
Fig. 70 baragwanath steam jacket feed water heater Fig. 71interior view of open HEATER heating the feed water before it enters the boiler. Ofcourse if the main engines are condensing, the exhaust from 189 190 Steam Engineering that source is not directly available^ except by interposinga closed…
