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Process of Producing Gas.
Patent for a new method of making gas. The process is a simple and efficient method of making gas continuously, including illustrations.
Date:
January 6, 1914
Creator:
Hirt, Jules H.
System:
The Portal to Texas History
Excavator and Conveyer.
Patent for an excavator machine designed "to continuously excavate the ground at different elevations, as in ditching or cutting away embankments" (lines 15-18) including illustrations.
Date:
January 6, 1914
Creator:
Lee, James Milton
System:
The Portal to Texas History