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Hydraulic Swivel

Description: Patent for a hydraulic swivel made to control back pressure and designed to be resistant to wear. Illustrations included.
Date: December 10, 1907
Creator: Johnston, Horace G. & Norris, Joseph B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pole Splicing Device

Description: Patent for a pole splicing device. This invention is designed to splice two poles together, such as telephone poles. Illustration included.
Date: January 15, 1907
Creator: Drane, Frank Neal
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Baling-Press

Description: Patent for a baling press, designed so that the feeding and baling of cotton or straw is performed automatically, Illustrations included.
Date: December 17, 1907
Creator: Cumpston, Frederick B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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