US D486777 S1
Abstract available in
FIG. 1 is a perspective view of a field coil showing my new design;
FIG. 2 is a side elevational view thereof; the other side elevational views being substantially identical thereto;
FIG. 3 is a top plan view thereof, the bottom plan view being identical thereto; and,
FIG. 4 is a perspective view showing the field coil in use; the broken lines depict environmental structure for illustrative purposes only and form no part of the claimed design.