UNT Libraries Government Documents Department - 2 Matching Results

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Automatic Control for Gas Water-Heaters.

Description: 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.

Cotton-Ginning Machinery.

Description: 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.
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