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CONVERTIBLE CAR.
Patent for improved convertible cars pertaining to railroad rolling-stock, that can be converted from freight-car into a box-car or cattle-car. This invention is tighter in corners when serving as a box-car, to prevent leakage of transports.
Date:
May 22, 1906
Creator:
Cothern, John K.
System:
The Portal to Texas History
Cotton-Topper.
Patent for a cotton-top trimmer that can be attached to a cultivator.
Date:
May 7, 1907
Creator:
Griffith, Thomas K.
System:
The Portal to Texas History
Wheel-Rim.
Patent for improvement to wheel rims providing "means for introducing oil thereinto and distributing it throughout the whole periphery" (lines 10-12).
Date:
May 27, 1902
Creator:
Harville, Walter S.
System:
The Portal to Texas History