Resource Type

Tractor. (open access)

Tractor.

Patent is for a new and improved tractor design. Improvements to gear and axle design that enable the tractor to make narrower turns and to make power run from the engine to the gears without interfering with the steering mechanism.
Date: January 7, 1917
Creator: Hudgens, George Thomas
System: The Portal to Texas History
Draft Forming Device for Furnaces (open access)

Draft Forming Device for Furnaces

Patent for draft forming device for furnaces that uses steam to pass currents of air through furnaces
Date: January 11, 1916
Creator: Milner, J. D.
System: The Portal to Texas History
Derailing Device. (open access)

Derailing Device.

Patent for a "portable derailing device" (line 13) including illustrations.
Date: January 17, 1911
Creator: Martin, Daniel W.
System: The Portal to Texas History