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Hose-Washer.
Patent for improvement in efficiency of hose washers. Patent helps to prevent accidental detachment of a hose via the use of a "resilient wire" designed to strengthen the connection. Citation: Calvert, Walter Riley. Hose-Washer., patent, April 27, 1915; [Washington D.C.]. University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; crediting UNT Libraries Government Documents Department.
Date:
April 27, 1915
Creator:
Calvert, Walter Riley
System:
The Portal to Texas History
Scale
Patent for a scale that is used for weighing hay prior to feeding it into a baling press. Illustration included.
Date:
April 27, 1909
Creator:
Aue, Herman
System:
The Portal to Texas History
Churn.
Patent for a mixing machine designed for churns, but can also be used in ice cream freezers. It works by producing a partial vacuum, forcing the liquid to go from the bottom to the top of the vessel. Blades force the liquid to go against "the centrifugal action" (line 21) and towards the center of the vessel.
Date:
April 27, 1897
Creator:
Norcross, George A.
System:
The Portal to Texas History
Improvements in Bench-Vises.
Patent for "a new and Improved Sliding-Carriage Vise for Carpenter's Bench" (lines 3-5) includign instructions and illustrations.
Date:
April 27, 1875
Creator:
Rimbold, Pierre
System:
The Portal to Texas History