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has contact there ihthL, again the said dynamo or generator, "hereby completing the circuit and causing a continuous to w ofelec- tric current to the said wheel to prevent the 5 sticky soil clogging or adhering to the wheel of the vehicle and overcoming liability of the soil impeding the movement of the vehicle, thus making the draft of the same much easier and lightening the weight thereof. o Having thus described the invention what is claimed is: 1. In combinatio, a ground working de- vice, an electrical source, a positive con- ductor com1municating therewith and elec- 15 trically connected to the grodun working device, and a negative conductor connected with said source and in contact with the ground for completing an electrical circuit
thereby preventing the adhering of earthy substances to said device. 20 2. In combination, a ground working de- vice, a source of electrical energy, an elec- trical connection between said source and said device, and electrical connections be- tween said source and the ground thereby 25 completing an electrical circuit to prevent the adhering of earthy substances to said device. In testimony whereof I have hereunto set my hand in presence of two subscribing wit- 30 nesses. JOHN Ia. DAWKINS. Witnesses: M. E. GE'Inhsn, HENRY W. WARDEN.