feet of gas. As stated behind.the ear. The above-mentioned article has recent- The course of the coal after leaving this crusher is- above, the bench can be used either with or without ly been patented in the U. 8., Gt. Britain, and Canada. substantially the sameas already described. If all the the… … ration. It is the heated surface or wall of the fixing REHMENKLAU’S APPARATUS FOR FEEDING COAL TO chamber which acts on the gas; and when a retort is FURNACES. used much of the gas passes through, if used as a fixing chamber, uncombined, for, gas being a poor conductor other systems: Open the…
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