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Woodworking-Clamp.

Description: Patent for woodworking clamp that is adjustable so that it can be used with many different shapes and sizes.
Date: October 14, 1913
Creator: Seidel, Emil K. F.
Partner: UNT Libraries Government Documents Department

Well Cleaning Device

Description: Patent for a device to clean a well to prevent pumps from being clogged.
Date: October 7, 1913
Creator: Kilburn, John Franklin
Partner: UNT Libraries Government Documents Department

Switch-Operating Device.

Description: Patent for Switch-Operating Device. Invented to be operated from lead car or end car without having to stop train.
Date: October 14, 1913
Creator: McCombs, Marshall M.
Partner: UNT Libraries Government Documents Department
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