Well Drilling Apparatus. (open access)

Well Drilling Apparatus.

Patent for a design of a compact well-drilling machine.
Date: April 17, 1914
Creator: Thorniley, Clarence W.
System: The Portal to Texas History
Vulcanizer (open access)

Vulcanizer

Patent for a product that vulcanizes the rubber of tire casings more easily. It holds a combustible fuel for heating and has a curved design to better fit the shape of the tire.
Date: April 17, 1914
Creator: Lawrence, Arthur E.
System: The Portal to Texas History
Safety Air Brake Appliance (open access)

Safety Air Brake Appliance

Patent for " a safety air brake appliance for steam, traction or other railways, for each car" (lines 10-11). Including illustrations.
Date: April 17, 1914
Creator: Carpenter, Alfred A.
System: The Portal to Texas History