Putnam, J. Pickering (John Pickering), 1847-1917 · Boston, Ticknor and Co. · leaf 183
which, in its turn, gives up its heat 98 THE OPEN FIREPLACE. to the fresh air in contact with it. Tims both surfaces serve in heating theair, and the furnace acts both by radiation and by convection. The effeclproduced varies but little with the extent of the chamber, because theamount of heat… … Fig. 130. Section of Furnace with Perpendicular Fresh-air Tubes. From Peclet.
Fireplaces
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