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Wrench for Rotary Well-Drills.

Description: Patent for a wrench designed to assist in working with rotary well drills. The wrench is adapted for unscrewing the coupling that attaches a drill point to a pipe section, as well as for detaching the pipe sections from one another. The advantage of the wrench is in allowing convenient detachment of the parts of a well drill quickly and efficiently.
Date: October 21, 1913
Creator: Lebus, George Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Soil-Treating Machine.

Description: Patent for a soil-treating machine that makes short furrows in the soil for the purpose of irrigation by retaining rain water or snow.
Date: April 29, 1913
Creator: Haralson, James C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Elevated Irrigation System

Description: Patent for an elevated irrigation system that relates to a useful system for supplying and distributing water, for the irrigation of large tracts of land.
Date: September 23, 1913
Creator: Anderson, Young Rhea
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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