UNT Libraries Government Documents Department - 2 Matching Results

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Boll-Weevil Catcher.

Description: Patent for agricultural devices and more particularly to a device to be attached to a cultivator for catching boll weevil or the like, during the cultivation of cotton.
Date: October 19, 1920
Creator: Stanalan, William

Crossing for Railway-Tracks.

Description: Patent for incorporating durable gaps within railway-rails to improve performance, with illustrations.
Date: February 24, 1920
Creator: Thomas, Lester V.
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