A WEEKLY JOURNAL OF PRACTICAL INFORMATION, ART, SCIENCE, MECHANICS, CHEMISTRY, AND MANUFACTURES. Vol. XV.—No. 22. ($3 per Anniiin, NEW YORK, NOVEMBER 24, 1866. [NEW SERIES.] ( LIN ADVANCE.] Improved Gang Plow. The depth of the plowing can also be determined that while the temperature advances in an…
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