Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 931
ter result-ing from the condensing of the steam passes to the skim-mer (11), where any oil that may pass the oil extractoris removed. From the skimmer the water goes to the re-boiler (12),at the bottom of which is placed a small steam coil bymeans of which the water is kept boiling and the air… … 898 Steam Engineering Thence it is led to the filters (14), which are furnishedin duplicate so that one may be shut off and cleaned with-out interfering with the operation of the plant. Inspecial cases, where the nature of the water requires it,sponge, silicate, or bone charcoal filters are used.…
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