Vol, XXIX.=-No. a1.) ‘ : {$3 per Annum. IN ADVANCE. (NEW SERIES.) … IMPROVED MANUFACTURE'OF ARTIFICIAL FUEL. During several years past, varioug inventions and processes of the inventor of the machinery‘and process we are about The visitor to the: coal regions of Pennsylvania, and in- have been devised for the - utilization of this waste product to describe, to…
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