Resource Type

Vulcanizing Device. (open access)

Vulcanizing Device.

Patent for a vulcanizing device for use on tires.
Date: December 26, 1911
Creator: Robbins, James M. & Crew, John F.
System: The Portal to Texas History
Tie. (open access)

Tie.

Patent for a railway tie that has a stronger attachment to the rails than other models.
Date: December 26, 1911
Creator: Wade, James T.
System: The Portal to Texas History