niting of the kiln offers no special feature, excei)t that the gas generator should work when a sufficient quantity of brick is raised to a red-heat capable of setting fire to the gas. The distribution of the latter is effected by the sheet-iron conduits of which we have spoken, and which are… … Fig. 228. — Horizontal Section. Fig. 229.— Horizontal Section of the Kiln, and View of a Generator from Above. baked ; this number generally varies from two to six. The supply of gas is regulated by stop-cocks placed in the movable conduit above the " chandelles." It is better not to introduce the…
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