Refrigerator Car Door. (open access)

Refrigerator Car Door.

Patent for a sliding refrigerator car door, including instructions and illustrations.
Date: September 1, 1914
Creator: Judia, George H.
System: The Portal to Texas History
Hobble-Arch for Cultivators. (open access)

Hobble-Arch for Cultivators.

Patent for a new hobble arch that laterally adjusts shovel beams of cultivators without stripping shaft threads.
Date: April 28, 1914
Creator: Rutledge, Robert P.; Boland, Randsome G. & Devault, John A.
System: The Portal to Texas History
Window Sash Construction. (open access)

Window Sash Construction.

Patent for a new type of window sash construction. Older sashes use putty to hold the window glass in to the frame. This sash uses metal and wood to hold the glass in making for a better seal and greater insulation.
Date: March 10, 1914
Creator: Harris, John I.
System: The Portal to Texas History