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Method of Exterminating Johnson Grass.

Description: Patent for a method to kill Johnson grass (Sorghum halepense) by repeatedly breaking up the ground around the plant during winter.
Date: July 16, 1901
Creator: Harpold, Clay
Partner: UNT Libraries Government Documents Department

Oil-Burner.

Description: Patent for oil-burner that is used by being connected to a steam-boiler. It is simply constructed to produce a very high degree of heat with a comparatively small amount of hydrocarbon oil.
Date: December 16, 1902
Creator: Jenkins, Wellington S.
Partner: UNT Libraries Government Documents Department

Churn.

Description: Patent for a churn. The patent is for a "means for adjustably securing a series of vertically-arranged breakers in a churn-body of any size, operating with a revolving dasher" (lines 8-11).
Date: June 16, 1896
Creator: Haley, William L.
Partner: UNT Libraries Government Documents Department
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