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Combined Protector and Irrigator For Plants

Description: Patent for a combined protector and irrigator that provides protection for the plant from insects and other animals, and provides proper watering from a reservoir. The contraption can be re-used and be accommodated for different size plants.
Date: October 30, 1917
Creator: Arnold, John P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Induced Spawning of Eastern Oysters

Description: Abstract: Eastern oysters (Crassostrea virginica) were collected from South Bay, Texas and induced to spawn in the laboratory. These oysters were conditioned for 12 weeks on continuous flow using Matagorda Bay water. Spawning procedures used resulted in approximately two million larvae. Results indicate that Eastern oysters from South Bay, Texas can be successfully spawned in the laboratory using established procedures.
Date: October 1990
Creator: Gray, Joseph D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Wrench for Rotary Well-Drills.

Description: Patent for a wrench designed to assist in working with rotary well drills. The wrench is adapted for unscrewing the coupling that attaches a drill point to a pipe section, as well as for detaching the pipe sections from one another. The advantage of the wrench is in allowing convenient detachment of the parts of a well drill quickly and efficiently.
Date: October 21, 1913
Creator: Lebus, George Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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