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Insecticide for Boll-Weevils.
Patent for boll-weevil insecticide with novel method of compounding. Arsenic and baking soda are combined with wood ash to create a dust which kills the insects as an inhalent instead of needing to be consumed by the insects in order to be effective.
Date:
November 1, 1921
Creator:
Koenig, Philipp
System:
The Portal to Texas History
Boll-Weevil or Other Insect Destroyer
Patent for
Date:
April 1, 1902
Creator:
John S. Doak & Alexander G. Farrington
System:
The Portal to Texas History
Combined Cotton Chopper and Scraper.
Patent for a new and improved cotton chopper and scraper. This design consists in "the combination of a central beam having a slot at its rear end and a hook at its front end, the laterally-adjustable bars connected with said beam, the scraper-standards pivoted to the adjustable bars, the front clevis for the beam, and rear yoke or support having a transverse pin, and the suspension-chains with a supporting-frame" (lines 101-108).
Date:
November 1, 1881
Creator:
McCaskill, John C.
System:
The Portal to Texas History
Refrigerator.
Patent for a refrigerator especially designed to cool meat, dairy, and other farm products. It uses little ice and cools using vaporization.
Date:
October 1, 1895
Creator:
Elder, Philip T.
System:
The Portal to Texas History