Mill for Grinding or Crushing Cotton-Seed or the Like.
Description:
Patent for improvements to the grinding or crushing of materials in mills by eliminating the hammering action by the use of supported ball bearings. This decreases the amount of power needed to operate the mill and includes illustrations.
Date:
May 1, 1917
Creator:
Nolen, Robert Rufus
Item Type:
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Partner:
UNT Libraries Government Documents Department