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Scientific American, Vol. 62, No. 9 (1890) (1890)

leaf 5

An illustration from Scientific American, Vol. 62, No. 9 (1890), 1890, leaf 5
IMPROVED HOE OR RAKE, charcoal substance does not pass through a stage of that in the upper region water can be stored to an The accompanying illustration represents an im- fusion in the carbonizing process ; whereas in coke the amount of more than 2,000,000 acre feet. This willirri- proved… … VOLTZ’ er lands, and used over and over again on its return, the most complete plant in the Indiana gas field. a complete utilization can be secured, and the cost. of We have now four first-class gas wells, giving an out- bolts to the handle to form a variety of tools for farm, the construction of…

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