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Filter and Water Purifier.
Patent for a new and improved water filter. This design consists in "[t]he combination of a water-pump having upwardly-opening valves, an air-pump having downwardly-opening valves, and two perforated cylinders surrounding the pump-tubes and provided with a packing of filtering material, the water-pump tube opening into the inner cylinder, and the pump-tube passing entirely through both heads of the same" (lines 61-68).
Date:
November 26, 1889
Creator:
Stiles, Frederick
System:
The Portal to Texas History
Cotton Gin.
Patent for a new and improved cotton gin. This design "is to provide certain means whereby the breast and guard can be readily and quickly moved and held out of their normal position for the purpose of clearing or freeing the cotton-roll from the saws, and preventing injury to the operator by said saws" (lines 7-13).
Date:
June 26, 1883
Creator:
Rogan, David Smith
System:
The Portal to Texas History