Automatic Stopping Mechanism for Trains (open access)

Automatic Stopping Mechanism for Trains

Patent for an automatic stopping mechanism for trains. Illustration included.
Date: October 25, 1910
Creator: Mingo, William, Jr.
System: The Portal to Texas History
Saw-Filing Machine. (open access)

Saw-Filing Machine.

Patent for a saw filing machine for cotton gin saws.
Date: December 27, 1910
Creator: Seifert, Henry
System: The Portal to Texas History