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Automatic Boiler-Feed (open access)

Automatic Boiler-Feed

Patent for a steam boiler which automatically fills the boiler with water to the proper levels and keeps the levels steady.
Date: August 11, 1908
Creator: Twombly, Harry Denny
System: The Portal to Texas History
Well Pumping Apparatus (open access)

Well Pumping Apparatus

Patent for well pumping apparatus. This invention is designed for the improvement of pumping liquid from deep wells. Illustration included.
Date: September 29, 1908
Creator: Stephenson, William M.
System: The Portal to Texas History