Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 181
Fig. 12.—Hand garden-hoe. Beet Cultivators.—Fi^. 13 is specially designed for beet-culture. The cultivation of sugar-beets in the United States is beginning to excite lively interest, with a view to beet-sugar pro- … Fio. 13.—Beet cultivator. duction. It requires thorough tilth and level cultivation—a porous soil, allowing circulationof air and moisture. To insure a mellow seed-bed the plow is run six or eight inches deep,
Mechanical engineering
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