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Improvement in Earth Scrapers
Patent for improved earth scrapers, the class of which are " mounted on Wheel and provided with slatted carriers" (pg 1). This earth scraper has a novel system that allows the machine to be turned around and still used where other machines cannot do so (pg 1).
Date:
August 27, 1872
Creator:
Smith, Amroy B.
System:
The Portal to Texas History
Improvement in External Window, Door, and Shutter Sprinklers
Patent for improvement in external window, door, and shutter sprinklers. The sprinklers would be used to wet the wooden pieces in case of adjacent fire, and are designed to run down the side of the building instead of into the building, reducing water damage inside, with illustration.
Date:
August 27, 1878
Creator:
Bennison, John
System:
The Portal to Texas History