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Non-Refillable Bottle
Patent for an improvement on non-refillable bottles. The improvement would not let any other liquid be surreptitiously added to the bottle. Also this patent design allows for the closure plug to be reused by the manufacturer of the bottle in new bottles.
Date:
March 3, 1914
Creator:
Helmcamp, Louis C. & Hoxworth, Edwin
System:
The Portal to Texas History
Evaporative Cooler.
Patent for an evaporative cooler/refrigerator that is cooled by the evaporation of water with ventilating tubes to maintain the air condition in shelves. Water is adapted to move through a "cloth, flowing downwardly therethrough and being evaporated therefrom to thereby effectually cool the articles disposed within the refrigerator" (lines 28-31). This patent includes illustrations
Date:
March 10, 1914
Creator:
Henderson, Thomas A.
System:
The Portal to Texas History