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[Field of Unknown Overgrown Vegetation]

Description: Photograph of a field of dark green vegetation, with brush and bushes, taken from a dirt trail or path that is partially visible at the bottom of the image. The field is bordered by thick trees in the background. The sky is filled with light, fluffy clouds.
Date: June 1983
Item Type: Refine your search to only Photograph
Partner: German-Texan Heritage Society

Insecticide.

Description: Patent for an insecticide that uses an arsenic compound to kill insects instead of Paris green or London purple, and can easily be made into a beautiful green powder that may be used as a pigment.
Date: November 27, 1894
Creator: Brumleu, Ludwig & Brumleu, Ernest
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Worm Destroyers.

Description: Patent for "a new machine for removing the destructive cotton-worms from the cotton-plants without injury to the plants, and for destroying the worms," which "consists in the arrangement of a movable frame, which is by animals drawn over the fields to straddle the rows of cotton, and which is provided with brushes for sweeping the worms from the plants, and with jointed bottom pieces or slides, which crush them on the ground." (Lines 15-25) Includes instructions and illustrations.
Date: May 20, 1873
Creator: Helm, Jackson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Discharge-Nozzle

Description: Patent for discharge nozzle for insecticide spraying machines. Proposed nozzle design to have adjustable opening.
Date: July 9, 1918
Creator: Gohmert, Otto Adolph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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