Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 612
e appears to be one of the mostsuccessful appliances for smoke-prevention with smoky coals.As satisfactorily applied it involves the use of two sets ofgrate-bars, one over the other, so arranged that the draftpasses downwards through the upper and lower sets of bars, orelse passes downwards through… … 57^ MECHANICAL ENGINEEKING OF POWER PLANTS^
Mechanical engineering · Steam power plants
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