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Steam-Feed.

Description: Patent for an improved steam feed for use in sawmill carriage feeds.
Date: October 3, 1911
Creator: Black, Lee J.
Partner: UNT Libraries Government Documents Department

Hoisting Drum.

Description: Patent for an invention that "relates to improvements in hoisting drums" (line 15-16). Structure, objective, and illustrations of hoisting drums are included.
Date: July 3, 1917
Creator: Howard, Henry Fischer
Partner: UNT Libraries Government Documents Department
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