Putnam, J. Pickering (John Pickering), 1847-1917 · Boston, Ticknor and Co. · leaf 76
ofthe chimne3r-breast, as shown in Fig 51,in order, as he said, to afford less obstruc-tion to the ascent of the smoke. Whenthe chimney required sweeping, the plateor flagstone opposite this rounded edgecould be removed so as to open the throat,and be replaced after the operation. Thisform, as… … Fig. 51. Another form of Rumfords Fire- place. point it should increase some-what, to allow of a slight expansion of theheated column and to diminish its frictionagainst the walls of the flue, as well as toallow for a partial clogging by soot and forthe resistance to its passage offered by…
Fireplaces
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