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