THE SCIENTIFIC AMERICAN. 216. city. Being short of funds, she would like to sell a IMPROVED HAND DRILL SEED PLANTER. ation of cylinder, piston and valve, by which a suction: A considerable number of hand seed drills have been lifting and force pump is produced. ‘This case affords a Communica-… … other solid substances by firmly secared at one end to which the pump would be the rocking bar, d, while choked. It will be seen that the piston is operated by tions on the subject, addressed to the Neptune Iron their opposite ends rest upon the ratchet wheels, ff, means of a crank and connection…
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