UNT Libraries Government Documents Department - 4 Matching Results

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Windmill

Description: Patent for windmill "utilizing a horizontally movable wheel" (line 10) that keeps a steady rotation and will have a wing tripping element that can either lock the wings or shift wings at proper time, including instructions and illustrations.
Date: March 12, 1912
Creator: Lindsey, James Owen

Cut-Off

Description: Patent for a shut off for water supply tanks for cutting off the supply of water and preventing freezing. Illustrations included,
Date: March 26, 1912
Creator: Wood, William Thomas
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