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Tractor Turning Mechanism.
Patent for a tractor turning mechanism that will allow tractors to turn at any angle up to a right angle by locking one of the driving ground wheels into a pivot point for the other wheels of the tractor.
Date:
February 17, 1920
Creator:
Chenoweth, William B.
System:
The Portal to Texas History
Hydrocarbon-Burner.
Patent for "new and useful improvements in Hydrocarbon-Burners" (lines 6-7) including instructions and illustrations.
Date:
February 10, 1920
Creator:
Wynne, William P. & Wynne, James Harry
System:
The Portal to Texas History