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Plow Attachment.
Patent for a plow attachment for turning the subsoil while the main plow opens the furrow that can be adjusted to any depth desired and attached to all types of plows.
Date:
April 30, 1907
Creator:
Tunnell, Wilson B.
System:
The Portal to Texas History
Device for Elevating Wagon-Bodies.
Patent for a pulley system for elevating wagons off the ground and "keeping them suspended under the roof of a barn or other roofed structure while not in use" (lines 19-21), including instructions and illustrations.
Date:
March 30, 1880
Creator:
Booker, David
System:
The Portal to Texas History
Railway Switch
Patent for a railway switch. Illustration included.
Date:
December 30, 1904
Creator:
Riley, George Marshall
System:
The Portal to Texas History
Poultry-Crate.
Patent for an improved version of the Poultry-Crate, including illustrations. This version was designed with efficiency in mind, devised to be an inexpensive and highly portable invention.
Date:
August 30, 1921
Creator:
Tucker, William
System:
The Portal to Texas History