ca- and furnaces,) can have the products of corn- In factories of all kinds it can draw off the sion may require. The bar, C, is placed in Gas Regulators. bustion, conducted into this chimney, with a same, besides the particles which fly from cot- nearly the center of the gate, and the gate is On… … ficulties heretofore experienced in opening and of regulating the escape of gas in the burner, ton, wool, rags, &c, thereby promoting health derstand, have been put up in Boston and Phil- closing the ordinary gates of water wheels are so as to have a steady flow under all pressures and vigor among…
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