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Tubeless Tire and Rim and Lock Therefor
Patent for "an improved tubeless pneumatic tire casing, and an improved rim and locking means therefore, where by to effectively draw the edges together to render the same air tight" (lines 11-15). Also, this patent provides a improved "tubeless tire casing" where adding air pressure makes the joint air tight.
Date:
October 22, 1918
Creator:
Cumpston, Frederick B.
System:
The Portal to Texas History