Boll-Weevil Destroyer. (open access)

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. (open access)

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 (open access)

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 (open access)

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