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Mud-Cleaning Mechanism for Tractor-Wheels.
Patent for mud cleaning mechanism for tractor wheels. The mechanism's objective is to automatically clean from and between the cleats and the ground, and along the rims of tractor wheels while the wheels are in motion. Additional advantages noted are that this mechanism is easily assembled and disassembled, durable and compact, and applicable with multiple styes of tractors.
Date:
May 25, 1920
Creator:
Williams, Hartwell L.
System:
The Portal to Texas History
Rotary Drilling-Machine
Patent for rotary well drilling platform improvements. The improvements are to control how the turntable moves without having to change the structure of the platform or having a second person watching while drilling.
Date:
May 25, 1920
Creator:
Black, Lee Jackson
System:
The Portal to Texas History