t from its ores in it, instead of in the retorts that are This plow was patented through the Scientific when the axle is turned down in a horizontal position, ordinarily employed. The zinc passes off in vapor American Patent Agency, by F. 8. Daverport, on to lower the plows to with the smoke, at… … furrow without moving DAVENPORT’S GANG PLUW. furnace may be of the from his seat or stop- same construction as that the flue would be placed near the part where it leaves plows by mans of the connecting chain, C, Fig. 1, the blast furnace, and the flue would be a little larger and allows them to…
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