UNT Libraries Government Documents Department - 6 Matching Results

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Improvement in Grinding-Mills

Description: Patent for an improvement in grinding-mills, combining the operative mechanism with spindles - in which the both the grinding stones obtain relative surface speeds only half the actual speed of the stones.
Date: May 9, 1871
Creator: Hensley, Henry
Item Type: Refine your search to only Patent

Improvement in Cotton-Presses.

Description: Patent for a "new and improved cotton-press" (line 5) relating to "improvements in friction-clamping apparatus used on vertical bars or rods of presses for holding the follower and lever in working the follower in passing the bale" (lines 11-14) including instructions and an illustration.
Date: December 26, 1871
Creator: Simpson, Thomas D. & Lamkin, William S.
Item Type: Refine your search to only Patent
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