Resource Type

Valve. (open access)

Valve.

Patent for an improvement in valves which "is adapted for connection with pipes or conduits for conducting water, steam, or other fluids; and the object of the invention is to provide a simple and efficient appliance of this character possessing the functions of both a globe and a check valve; and it is adapted to advantageously control the flow of liquid no matter what position or its casing may occupy" (lines 7-15). It includes instructions and illustrations..
Date: August 15, 1899
Creator: Thummel, John
System: The Portal to Texas History
Fan (open access)

Fan

Patent for fan or blower for the conveyance of materials such as cotton, cottonseed, and saw dust under suction and air pressure from supple source to the delivery point. The travel of material is continuous and the materials will not come into contact with the blades of the fan or blower.
Date: August 15, 1916
Creator: Dickerson, Eustice E.
System: The Portal to Texas History