Putnam, J. Pickering (John Pickering), 1847-1917 · Boston, Ticknor and Co. · leaf 66
we have the principle of the so-called ventilating fireplace,hereafter to he described, and in consideration of its simplicity it wouldhave formed one of the besl of its class known. To secure the air-spacebelow the health the lire was raised •> or 1 inehes ahove the generalfloor level. This… … Fig. 31. Savots Fireplace. Fig. 31 shows, in section, another form of Savots invention.When the column of air in an upright tineis heated and becomes lighter than the sur-rounding air, it is no longer able to maintainits equilibrium with the colder and denser col-umn outside, which, therefore,…
Fireplaces
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