Putnam, J. Pickering (John Pickering), 1847-1917 · Boston, Ticknor and Co. · leaf 258
r, or when the tower-is in 2my way made warmer than the chimney, the column of air in the former will be lighter than that in the latter, SO that, if there be no mde- Fig. 225. Diagram Showing Movement of Air Currents with pendent air-supply for the room Fireplaces. … 174 THE OPEN FIREPLACE. or tower, and no wind at the top of the chimney to act as motive poweron the cap, the air will descend in the chimney-flue, and cause it to smokewhen the tire is first lighted, and as long after as the want of equilibriumcontinues. If sufficient cold air be supplied directly…
Fireplaces
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