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Reaming-Drill.

Description: Patent for a reaming drill which is meant to improve cutting into hard rock.
Date: November 12, 1918
Creator: Reed, Clarence Edward
Partner: UNT Libraries Government Documents Department

Drill-Head

Description: Patent for drill head improvements by inventor Clarence E. Reed.
Date: September 24, 1918
Creator: Reed, Clarence E.
Partner: UNT Libraries Government Documents Department

Float-Valve.

Description: Patent for a float valve that is easy and inexpensive to manufactured. It may be used in all tanks.
Date: March 12, 1918
Creator: Lakios, George John
Partner: UNT Libraries Government Documents Department
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