Resource Type

Automatic Air-Brake Applier. (open access)

Automatic Air-Brake Applier.

Patent for automatic air brake applier to release the air in the train pipe with a resultant application of the brakes upon a car wheel leaving the tracks, including illustration.
Date: December 16, 1913
Creator: Hall, Charles E.
System: The Portal to Texas History
Packing Ring (open access)

Packing Ring

Patent for improved packing rings for pistons.
Date: October 16, 1915
Creator: Westmoreland, Ernest T.
System: The Portal to Texas History