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Air-Supply-Valve Attachment
Patent for a valve add on for a carburetor in order to control the air flow.
Date:
January 24, 1918
Creator:
Kirkpatrick, Monroe C.
System:
The Portal to Texas History
Stalk-Cutting Attachment for Plows
Patent for a stalk cutter attachment for plows. Illustrations included.
Date:
December 24, 1912
Creator:
Osborne, John E.
System:
The Portal to Texas History