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Railroad Crossing Signal.

Description: Patent for a railroad crossing signal. The device is created so that the highway signal can be automatically raised or lowered at the crossing by a passing train.
Date: December 13, 1921
Creator: Ridout, Horace J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Seed Planters.

Description: Patent for the improvement of the hopper, stirrer, and distributor in cotton-planters that dispenses seeds into the soil using two horizontal united disks that discharges the seeds regularly and evenly, including illustration.
Date: September 13, 1859
Creator: Collier, T. T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Seed Planters.

Description: Patent for the improvement of the cotton-seed planter through the arrangement of a seed dispenser over a reciprocating slide and agitator operated by a pulley system simultaneously when moving forward, including illustration.
Date: September 13, 1859
Creator: Smith, P. M. & Collier, T. T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gage Attachment for Bench-Planes.

Description: The invention is "to improve the construction of gages for planes and to provide a simple, inexpensive, and efficient device adapted to be readily applied to the stock of the plane and capable of being set at different angles" (lines 10-15) "to enable the face of a board to be accurately planed at the desired angle" (lines 16-17).
Date: November 13, 1900
Creator: Smith, Millage M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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