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Improvement in Journal Boxes.

Description: Patent for axel shaft oil lubrication system that acts as a reservoir and saves the oil lubrication materials to be used repeatedly without waste.
Date: May 13, 1873
Creator: Morris, Joseph R.
Partner: UNT Libraries Government Documents Department

Improvement in Hay and Cotton Presses.

Description: Patent for a press that reduces the bulk of cotton, "allowing it to be baled into convenient form for transportation. It consists in a novel mode of attaching the side of the press-box, so that they can be speedily thrown down from the cotton after compression to allow its convenient manipulation. It also consists in a new mode of connecting the follower with its superposed lever, so that it can be readily turned up out of the way when the cotton is being filled into the press-box. It also cons… more
Date: September 9, 1873
Creator: Nelson, David A.
Partner: UNT Libraries Government Documents Department

Improvement in Bridges.

Description: Patent for an improvement in Bridges and Self-Supporting Roofs and Girders. The invention provides instruction for "the construction of truss-bridges and self supporting roofs and girders"..."by nailing or bolting securely together successive layers of plank joined at different points."
Date: September 23, 1873
Creator: Davis, Benjamin F.
Partner: UNT Libraries Government Documents Department
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