Resource Type
Counties
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Ash Pan
Patent for an ash pan. Illustration included.
Date:
August 14, 1906
Creator:
Byar, Ernest & Clopton, Mortimer L.
System:
The Portal to Texas History
Air-Brake Apparatus.
Patent for an improvement to the air brake which includes new types of valves.
Date:
April 14, 1914
Creator:
Parker, William E.
System:
The Portal to Texas History