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in subjects: "insecticides"

Vermin Exterminator for Poultry.

Patent for a vermin exterminator for poultry that discharges an insecticide onto the chickens as they come in and out of the chicken house.

Date: March 21, 1911

Creator: Crawford, William Frank

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Compound for Destroying Boll-Weevil.

Patent for a compound for destroying Boll Weevils, consisting of Sulfur, Pine Tar, Asafetida, Pulverized Bluestone, Beaumont Oil, Extract of Tobacco, and a thick adhesive oil.