Electric Attachment for Movable Objects. (open access)

Electric Attachment for Movable Objects.

Patent for an electric device that can be attached to equipment such as plows or tractors which sends an electric current underground where the plow is going that prevents dirt from sticking to the equipment and clogging it when the ground is slightly wet.
Date: May 28, 1907
Creator: Dawkins, John R.
System: The Portal to Texas History