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in creator/contributor: "Campbell, J. W."  
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Trundler For Spooled Wire.

Description: Patent for a trundler for spooled wire that is strong, light, and shapely enough to propel or draw spooled fence-wire, telegraph-wire, or similar material that is coiled upon flanged spools, and distribute the same lines for the manufacture of fences or erection of electric conductors.
Date: October 6, 1891
Creator: Smith, Cullen R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Rotary Engines.

Description: Patent for rotary engines "driven by steam or other elastic agent, or which may be used for pumping water" (lines 29-32) to obtain "a more direct application of the force applied to drive the engine" (lines 39-40) including instructions and illustrations.
Date: February 6, 1872
Creator: Richardson, John Dun
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Traction-Engine

Description: Patent for a traction engine that has a unique assemblage of the frame and body making it most efficient.
Date: January 13, 1914
Creator: Claitor, Lilburn S. & Mahagan, Ross C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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