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Railroad Crossing Signal.
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.
System:
The Portal to Texas History
Improvement in Cotton-Seed Planters.
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.
System:
The Portal to Texas History
Improvement in Cotton-Seed Planters.
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.
System:
The Portal to Texas History
Gage Attachment for Bench-Planes.
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.
System:
The Portal to Texas History