8 Matching Results

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Precast Extension Hanging in Lead

Description: Photograph of a piece of machinery holding an extension piece with a chain. There are holding tanks in the background. To the left, a 1950's model pickup truck with the business name "Spence & Howe Construction Co." written on the side.
Date: May 11, 1951
Creator: J. C. Watkins Photography
Partner: Museum of the Gulf Coast

Mud-Cleaning Mechanism for Tractor-Wheels.

Description: Patent for mud cleaning mechanism for tractor wheels. The mechanism's objective is to automatically clean from and between the cleats and the ground, and along the rims of tractor wheels while the wheels are in motion. Additional advantages noted are that this mechanism is easily assembled and disassembled, durable and compact, and applicable with multiple styes of tractors.
Date: May 25, 1920
Creator: Williams, Hartwell L.
Partner: UNT Libraries Government Documents Department

Pen-Cleaning Attachment for Inkstands.

Description: Patent for innovations in "pen-cleaning attachments for inkstands" (lines 9-10). It is a lip that extends past the top of ink-wells, and is meant to prevent blotting. The attachment is "an annular expansible body portion of spring metal adapted to be fitted in the mouth of an ink-well" (lines 93-95)
Date: May 4, 1897
Creator: Higgins, Pattillo
Partner: UNT Libraries Government Documents Department

Straightening-Machine

Description: Patent for an improved straightening machine to "straighten pipes, rails, and allied structures in an expeditious manner."
Date: May 12, 1914
Creator: Boykin, Burwell, Jr.
Partner: UNT Libraries Government Documents Department

Collapsible Rim.

Description: Patent for new and useful improvements related to demountable rims that are collapsible. This improvement facilitates the removal of a tire in an easier and expeditious manner.
Date: May 20, 1919
Creator: King, Willis C.
Partner: UNT Libraries Government Documents Department
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