States

Whip-Socket (open access)

Whip-Socket

Patent for a whip-socket that locks the whip in place.
Date: November 26, 1912
Creator: Clark, Isom J.
System: The Portal to Texas History
Filter and Water Purifier. (open access)

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