Fig. 22.
Of course, if the operator has any skill at winding, he may wind both bobbins with one continuous length of wire, thus avoiding joins, taking care that the direction of the winding in the finished coils be as shown at [Fig. 22 B]; that is to say, that the wire from the under side of one bobbin, should pass over to the next in the same way as the curls of the letter S.
Fig. 23.
Fig. 24.