. Elementary lessons in the physics of agriculture . ence in the draft. There seems to be no good reason, how- ever, why a sulky plow, idien xji'operly hung and with the line of draft so adjusted that the power of the horses is not con- verted into a downward pressure upon the wheels, should not lessen the draft, and especially in the gang types. If a jjIow of the requisite strength could be made so light that the up-

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Keywords: ., bookcentury1800, bookdecade1890, bookpublishermadis, bookyear1894