Putnam, J. Pickering (John Pickering), 1847-1917 · Boston, Ticknor and Co. · leaf 256
entire stack. The exhaust thentakes place at the top of the rooms through the registerused in winter for supply, and the fresh air is furnishedthrough the open fireplaces, or window openings, totake its place ; every current being thus reversed,throughout the entire series of rooms, by the… … •* FrsA r7.i Fig. 220.Ventilating Chimney. larger than the flues, are encased in the o ■Di Fig. 221. Smoke-flue Joint. masonry to make the joint, as shown in Fig.221. In this manner but little air escapes. What passes upfrom one air-chamber to another is utilized in the latter, andthe loss is…
Fireplaces
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