| 31. | The mine closed in 1715 and the furnace, hammer mill, foundry and village fell into ruin, though parts are still visible.
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| 32. | The classic granite wheel and painstaking sinolea oil extraction are more expensive than the modern metallic hammer mill and mechanical separation.
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| 33. | The "'Freibergsdorf Hammer Mill "'( ) is an old hammer mill in the village of Freibergsdorf in the German Ore Mountains.
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| 34. | Cattle are also fed oats, either whole or ground into a coarse flour using a roller mill, burr mill, or hammer mill.
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| 35. | He also built a foundry and trip hammer mill in a stone building large enough for four fires and four bellows operated hydraulically.
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| 36. | The economy of the municipality was based around raising crops and livestock, trading and some industry ( grist mills and hammer mills ).
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| 37. | Joseph Wright and Thomas Pickett took the business, but it is thought that the Hammer Mill ceased to be used c . 1787.
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| 38. | The screenless hammer mill uses air flow to separate small particles from larger ones, rather than a screen, and is thus more reliable.
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| 39. | Cassava can be ground into farina flour by removing the skin and grinding it in hammer mills or by hand in a traditional mortar.
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| 40. | There is evidence that Chingley Forge was a hammer mill at some time, possibly as early as the first half of the thirteenth century.
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