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[Letter from Dora Dougherty Strother to Mrs. Head, March 4, 1975]
Letter from Dora Dougherty Strother to Mrs. Head discussing their article on the WASP, informing them that they will not be publishing a second one, and congratulating her on her article and the publicity it gained.
Date:
March 4, 1975
Creator:
Strother, Dora Dougherty
Object Type:
Letter
System:
The Portal to Texas History
Windmill Wheel
Patent for improvements made to windmill wheels. Improvements include windmill wheel blades that can easily be taken off or fixed onto the wheel hub, improvements in construction for easy assembly and disassembly, and construction from economic materials.
Date:
March 3, 1914
Creator:
Mason, Charles O.
Object Type:
Patent
System:
The Portal to Texas History
Spring-Wheel
Patent for spring wheels for use on motor vehicles, such as automobiles and motorcycles. Producing a wheel that will absorb the shock or jar incident to its passage over rough or uneven roadways.
Date:
March 17, 1914
Creator:
Short, Jefferson D.
Object Type:
Patent
System:
The Portal to Texas History
Well Pump
Patent for a well pump. "This invention relates to well-pumps of that character wherein a piston is operatively arranged within an outflow-pipe and having an automatically - closed bottom check - valve opened by the suction produced" (line 8-13). Illustration included.
Date:
March 5, 1907
Creator:
Medlock, Augustus L.
Object Type:
Patent
System:
The Portal to Texas History