Putnam, J. Pickering (John Pickering), 1847-1917 · Boston, Ticknor and Co. · leaf 183
st, those having simple drums,like theMagee Furnace I Fig. L32), and.second, those having detached tubes, asin the Chilson (Fig. L34). The formerhas the advantage of simplicity and theminimum of joints for the escape of gas,and the latter of a greater radiatingsurface. In an ordinary furnace… … Fig. 132. Magees Furnace downward draughts THE OPEN FIREPLACE. 99 leakage may at once be detected b} the appearance of the fire, and curedby simply opening the direct smoke-draught, so that here freedom fromjoints, although important, is of less consequence than an increase of radi-ating surface.…
Fireplaces
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