Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 273
nd thej corresponding strains and accidents; it is not as economical asI the open heater, and becomes less so as the tubes become covered1 with scale; it is difficult to remove the scale from its tubes; ai coating of oil on its tubes renders them less efficient; the con-densed steam is ordinarily… … EXHAUST6TCAM OUTLET FEEDMTEff /NLET WHEELER CONDENSER \ ENGINEERING GOSFEED WATER HEATER Fig. 136. COXDEXSERS AXD AIR-PUMPS. 253 into the condenser when high vacua are desired. These gasesinterfere with the economy of the condenser and increase mate-rially the load on the air-pump. In the open…
Steam-engines · Heat-engines
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