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Improvements connected with the Riddles of Barn Fanners or Winnowers.
Improvements connected with the Riddles of Barn Fanners or Winnowers.
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机译:与“谷仓迷”或“风选者”之谜有关的改进。
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15,894. Nesbitt, J. Aug. 3. Feeding - devices. -A series of steps is formed at one end of the upper oscillating riddle g of a winnower for cleaning grain and seeds, so as to feed the grain &c. as it falls from the hopper.
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