Elementary lessons in the physics Elementary lessons in the physics of agriculture . elementarylesson01king Year: 1894 125 side are transferred to the well oiled axles of the wheels and a rolling resistance secured instead of a sliding one, which ordinarily, on bare ground, is much less. The few records of trials, we have seen, do not appear to show a material differ- 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
Elementary lessons in the physics Elementary lessons in the physics of agriculture . elementarylesson01king Year: 1894 125 side are transferred to the well oiled axles of the wheels and a rolling resistance secured instead of a sliding one, which ordinarily, on bare ground, is much less. The few records of trials, we have seen, do not appear to show a material differ- 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-
Size: 1548px × 1292px
Photo credit: © Bookend / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage
