Putnam, J. Pickering (John Pickering), 1847-1917 · Boston, Ticknor and Co. · leaf 192
F 142. The Gothic Furnace. 1 A piece of soapstone tested with other substances by the writer under a moderate press-ure proved impermeable to air. THE OPEN FIREPLACE, 107 … iii ,H , ,- ml H In1 ||l> » I ,|l Ill JNC^!,i!!!i!R!:rifl!ii!*i,f: !^^4i«S;|t!ii^!,!i1i:!i»!^:DRftFT ■ tSl! ;!!!iMi!!ii,iUftMP SB BBB j <m^-- Fig. 143. Crarys Clay Heater.
Fireplaces
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