Collection
Serial/Series Title
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4 Matching Results
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4
Boll-Weevil Destroyer.
Patent for machine to exterminate boll weevils, including illustrations. This device administers insecticide and captures damaged plants and insects.
Date:
July 31, 1917
Creator:
Henry, William L. & Calloway, Irven E.
Object Type:
Patent
System:
The Portal to Texas History
Clothes-Pin.
Patent for a clothes-pin made of one piece of wire twisted around with a spring-clamping mechanism for holding clothes.
Date:
July 9, 1907
Creator:
Freeze, John A.
Object Type:
Patent
System:
The Portal to Texas History
Occurrence, Availability, and Chemical Quality of Ground Water in the Edwards Plateau Region of Texas
Report on
Date:
July 1979
Creator:
Walker, Loyd E.
Object Type:
Report
System:
The Portal to Texas History
Self Locking Door For Cotton Presses
Patent for a self-locking door clamp for cotton presses, including illustrations.
Date:
July 23, 1901
Creator:
Westbrook, John Alburt
Object Type:
Patent
System:
The Portal to Texas History