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in subjects: "insecticides"  
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Improvement in Insect-Destroying Compounds.

Description: Patent for a "compound for killing the cotton-worm and other insects that infest, eat, and damage the leaves of the cotton-plant," which "consists in combining a poisonous, an adhesive, and a diffusive ingredient in one and the same compound." (Lines 9-14) Includes instructions and illustrations.
Date: June 17, 1873
Creator: Royall, William B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Insect-Destroyers.

Description: Patent for "machines which are designed for distributing poison-dust over the leaves of plants for the destruction of insects, especially the worms which prey on the cotton-plant." (Lines 11-15) Includes instructions and illustrations.
Date: December 29, 1874
Creator: Eldridge, Frank A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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