Resource Type

Locking Device for Car-Doors. (open access)

Locking Device for Car-Doors.

Patent for a locking device for a sliding train car capable of locking automatically upon close, including illustrations.
Date: May 9, 1916
Creator: Tierney, Henry J.
System: The Portal to Texas History
Tie-Plate (open access)

Tie-Plate

Patent for a tie plate that sticks firmly to the ties, keeps out moisture, and is lighter than other tie plates.
Date: July 16, 1912
Creator: Walton, Jay W. & Dayton, William H.
System: The Portal to Texas History