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Copy-Holder for Record-Books, &c.
Patent for a simple and efficient copy-holder meant for recording things. The invention feeds paper line by line, so the records are straight. The copy-holder also holds the pages of a book in place.
Date:
July 30, 1895
Creator:
Powell, Phanor P.
System:
The Portal to Texas History
Gang-Plow.
Patent for improvements in gang-plows in which the “disks” would contain a flared annulus and, it is formed by the truncation of a conical shell of large base and small altitude. This disk-plow “will penetrate the soil to the desired depth by its own natural draft with the minimum degree of friction and outlay of force.” (Lines 21-23) Illustration is included.
Date:
June 30, 1891
Creator:
Cleveland, George P.
System:
The Portal to Texas History
Rotary Plow.
Patent for improvements in rotary plows which can be used as a subsoil-plow or it can be converted into a cultivator. The “purpose is to provide a novel gang-plow capable of cutting the soil at different depths, as circumstances may require, and in which the angle at which the plows enter the soil may be varied.” (Lines 18-23) Illustration is included.
Date:
June 30, 1891
Creator:
Cleveland, George P.
System:
The Portal to Texas History
Cotton Bag Emptier
Patent for a portable derrick, that can be easily lifted and emptied.
Date:
January 30, 1917
Creator:
Brown, Odis A.
System:
The Portal to Texas History