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Intermittent-Operating Mechanism

Description: Patent for intermittent-operating mechanism. This is to improve upon the automatic regulating means for windmills in regards to supplying water to a tank.
Date: October 16, 1917
Creator: Bittner, Emil R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hydraulic Swivel.

Description: Patent for a hydraulic swivel used with wells including instructions and illustrations.
Date: May 16, 1911
Creator: Layne, Mahlon E.; Hall, Samuel N. & Layne, Charles F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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