d mold-board or share, G, which lifts the earth and potatoes, and by the advance of the machine they are American Association for the Advancement pushed back to the base of bars F, where the of Science.— (Continued from page 3.) fingers, E, work through. By these fingers Chemistry—Cobalt.—Dr.… … self by its neat proportions and philosophical the value of investigating, as Prof. Gibbs principles. It is adapted to save a large Improved Miarine Rig. for the lower masts, notwithstanding the in- had done, the action of said vapors—such The invention shown in our engraving con- amount of labor,…
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