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Electric Time-Switch.

Description: Patent for an electric, switch-operated construction functioning for timer-controlled circuit completions and breaks, including illustrations.
Date: July 3, 1906
Creator: Chappel, James. M.
Partner: UNT Libraries Government Documents Department

Mixing Plant.

Description: Patent for new mixing plants materials and procedures, "comprising novel means for handling, conveying, and mixing the several materials which constitute the feed and for accurately determining the proportion of each such materials" (lines 11-15), including instructions and illustrations.
Date: March 3, 1906
Creator: Binnings, Charles Elijah
Partner: UNT Libraries Government Documents Department

Hose-Coupling.

Description: Patent for new usability improvements for hose coupling, designed for novice users, including illustrations.
Date: July 3, 1906
Creator: Stephens, John H.
Partner: UNT Libraries Government Documents Department
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