Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 302
ng a joint slightly narrower.at the rear than at the front end. Inthe upper part of the combustion cham-ber, or flrcliox, the concave curve orcorbeling-in of the brick work towarda smaller-diameter throat is said toimprove the draft at the same timethat reflects the heat in such way thathigh… … fine particles that escape in the draft.No grate bars are used, the concretefoundation at ground level beingcovered only with a layer of Are brickon the flat. A means of controlling the rate ofburning and, to a certain extent, thetemperature of the brick lining Is pro-vided by four 20 x 20-in. iron…
Architecture · Building · Construction industry · Engineering
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