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Foot for Sand Levers.

Description: Patent for a new and improved foot for sand levers. This design consists in "the combination of the semi-cylindrical bearing having an aperture formed in its center, a cylindrical body working in the said bearing and having a square intermediate portion adapted to fit in the same aperture, upward-extending wings made integral with the body and forming a socket, and a lever fitting in the said socket" (lines 29-37).
Date: April 16, 1889
Creator: Vezie, Charles
Partner: UNT Libraries Government Documents Department

Compressed-Air and Steam Apparatus for Sinking Wells

Description: Patent for "a simple and inexpensive apparatus for drilling the rock and earth until sufficient loose material has accumulated in the shaft, and then remove such material by the pressure of an aeriform fluid - such as steam or compressed air" (lines 23-29).
Date: July 16, 1889
Creator: Goodrich, Hervey K.
Partner: UNT Libraries Government Documents Department
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