Horse-Collar. (open access)

Horse-Collar.

Patent for a "simpler, less expensive" (line 22) horse collar, with an adjustable, laced seam that utilizes less material than other collars. Includes instructions and illustration.
Date: March 28, 1916
Creator: Hendrix, John M.
System: The Portal to Texas History
Apparatus for Scouring Water-Ways. (open access)

Apparatus for Scouring Water-Ways.

Patent for an improved apparatus for scouring water-ways by using water-discharge pipes and air-discharge pipes arranged at each side of the vessel. When “vessel is slowly moved forward while the water and air forcing pumps are working,..... direct force of the water-jets and air-jets will agitate and scatter and lift the dislodged particles and float them much higher and longer than would be the case were the water-jet pipes alone used.” (Lines 63-75) Illustration is included.
Date: March 31, 1891
Creator: Holden, Elbridge G.
System: The Portal to Texas History
Improvement in Chair-Backs. (open access)

Improvement in Chair-Backs.

Patent for chair back.
Date: March 10, 1874
Creator: Perrenet, George F.
System: The Portal to Texas History