annel that continually grows larger. De> The lower portion, A, is the furnace, vices have been contrived for re-grinding valves when leaky. or the compartment into which gas is This, however, is attended with inconvenience. The ac- introduced by the flexible pipe. The companying engraving… … idity and equability of the generation of steam for cooking purposes. The heat- The shell is made in the usual way, but with somewhat ing surface, compared with the water greater depth of seat than others, the stem, stuffing-box, etc., surface, is enormous. It is evident that being the same as…
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