S There are many other ways carrying ont
this invention, but they all involve the same
broad principle construction and operation. STONEY, Jr.,
John Gillespie.
.
In using expressions herein indicate a
coincidence the magnetic phases effects
io one set field-magnets with those set up
in the armature the other refer only to
approximate results; but this course will
be understood.
2.
Witnesses:
R. electro-magnetic motor, the combi
nation, with armature, plurality of
field orenergizing coils included, respectively,
in main circuits adapted produce given 25
difference phase and supplemental sec
ondary circuits adapted produce inter
mediate difference phase, set forth.416,195 3
of pair poles, B', coincides closely
with the maximum effect the armature,
which lags behind the corresponding condi
tion poles B.
NIKOLA TESLA.
What claim is—
15 alternating-current motor, the com
bination, with armature wound with closed
coils, main and supplemental field magnets
or poles, one set which adapted ex
hibit their maximum magnetic effect simul
taneously with that set the armature 20
by the action the other, set forth
