Edge mill

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Edge runners in an oilmill

An edge mill or a Chilean mill is a mill used for crushing or grinding in which stones roll around on their edges, on a level circular bed. It is used for milling ore and as an oil mill.[1] Horse or oxen-driven versions were used in pre-industrial revolution America as tan bark mills to shred tree bark to derive tannins for the leather industry.[2]

References

  1. ↑ Edge mill - definition from TheFreeDictionary
  2. ↑
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