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Controlling Mechanism for Windmills.
Patent for the operation of a windmill pump that may be automatically controlled so that a constant supply of water will be maintained in the storage tank.
Date:
June 18, 1918
Creator:
Bradford, Joseph W.
System:
The Portal to Texas History
Automobile Extracting Device
Patent for an Automobile Extracting Device, which may be readily carried in compact form in one of the storage compartments of a motor vehicle, including illustrations.
Date:
April 9, 1918
Creator:
Morrow, Thomas B.
System:
The Portal to Texas History
Heat-Producing Process.
Patent for Improvements in Heat-Producing Processes by way of "process of producing heat and conserving heat..." for use in various types of furnaces (lines 9-10).
Date:
October 15, 1918
Creator:
Bone, David R.
System:
The Portal to Texas History