Automatic Control for Gas Water-Heaters. (open access)

Automatic Control for Gas Water-Heaters.

Patent for improvements to "a gas control for instantaneous gas water heaters" (lines 9-10), including illustrations and instructions.
Date: June 17, 1919
Creator: Hamilton, Paul H.
System: The Portal to Texas History
Cotton-Ginning Machinery. (open access)

Cotton-Ginning Machinery.

Patent for cotton ginning machinery, which separates cotton faster and more cleanly and continuously feeds cotton into the saws.
Date: June 14, 1910
Creator: Wilson, Ralph E.
System: The Portal to Texas History