52

INVENTIONS OF NIKOLA TESLA.

In the accompanying diagrams, Fig. 38 illustrates the detailsof the plan above set forth, and Figs. 39 and 40 modificationsof the same.

Referring to Fig. 38, let a designate the field-magnets of a

Fins. ;ss, i',1) and 40.

motor, the polar projections of which are wound with coils n cincluded in independent circuits, and n the armature with polarprojections wound with coils n closed upon themselves, themotor in these respects being similar in construction to those