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Counties
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Pump-Operating Mechanism
Patent for a mechanical pump operating mechanism that increases capacity.
Date:
July 4, 1911
Creator:
Linnartz, Hugo
System:
The Portal to Texas History
Railway-Rail Brace
Patent for a rail brace to fortify the joints of railways. Illustrations included.
Date:
July 18, 1911
Creator:
Keaton, Walter A. & Peary, Andrew
System:
The Portal to Texas History