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Impeller-Pump.
Patent for an impeller pump with separate sections and parts that can be connected together. The line of pipe of can be withdrawn without removing the head, and there are measures to keep the liner in operative position. The patent includes instructions and illustrations.
Date:
March 10, 1914
Creator:
Johnston, Horace G.
System:
The Portal to Texas History
Ship-Protector.
Patent for an improved protection device which may be attached to the bow of a ship.
Date:
February 10, 1914
Creator:
Wood, Shirley Hay
System:
The Portal to Texas History
Reversible Automobile-Lamp
Patent for a reversible automobile taillight that can be changed to four different colors to indicate different things.
Date:
September 10, 1912
Creator:
Minhinnett, George F.
System:
The Portal to Texas History
Cotton-Chopper
Patent for an improved type of cotton chopper that thins rows of plants on both flat and rough terrain. Includes illustrations and instructions.
Date:
June 10, 1913
Creator:
Hellums, Oscar S.
System:
The Portal to Texas History