Handbook of mechanical and electrical cost data, giving shipping weights, capacities, outputs, and net prices of machines and apparatus, and detailed costs of installation, maintenance, depreciation and operation, together with many principles and data relating to engineering economics (1918)
Gillette, Halbert Powers, 1869-, Dana, Richard Turner, 1876-1928, joint author · New York, McGraw-Hill · leaf 524
■£ X ^ci .^ s ^ o .r ^ .T rt STBAM POWER 501 now be purchased at the Maine coast for $3 per long ton and itcan be delivered to the station bunkers in most of our inland citiesfor a total of about |4.60 per long ton. If this fuel is used underboilers of 78% efficiency, the lbs. of water evaporated,… … 7 d 9 W II 12 13 14 15 Id 17 Id 19Heat Value In B.tu Per Unit of FuelConturj^ible Fig. 45. Boiler efficiency chart. line to the intersection of the diagonal line representing 78% boilerefficiency and read on the left.margin the water evaporated, whichis in this instance 11.5 lbs. Any reputable…
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