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Combination Rule, Square, and Miter.

Description: Patent for a combination of devices that contains "attachments for folding rules which will make said rules capable of use as a square, tri-square, and miter" (lines 15-17), including instructions and illustrations.
Date: August 4, 1914
Creator: McFarland, Charles M.
Partner: UNT Libraries Government Documents Department

Well-Drilling Machine.

Description: Patent for a well-drilling machine with "novel and improved means for manipulating and actuating the drill cable" (lines 11-12), including instructions and illustrations.
Date: August 4, 1914
Creator: Slaughter, George W., Jr.
Partner: UNT Libraries Government Documents Department
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