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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

Float-Valve

Description: Patent for a valve used in flushing and storage tanks. Illustrations included.
Date: March 29, 1910
Creator: Rymer, William T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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