circuit-controller, the combination
with receptacle capable rotation about
an axis inclined the vertical and contain
ing fluid which constitutes one terminal, 60
second terminal mounted within the recep
tacle, support capable free rotation
relatively the receptacle, and weight ec
centric the axis rotation the support
for said terminal for opposing preventing 65
its movement the direction the rotation
of the said receptacle, set forth.
.
5.
15 the forms the circuit-controller
heretofore referred and upon which my
present invention improvement the
blades vanes may regarded broad
sense typical any device—such, for ex-
20 ample, stelliform disk—which will set
and maintained rotation that the re
ceptacle. The combination with receptacle
mounted rotate about axis inclined to
the vertical, spindle within the receptacle
and concentric with its axis, weighted arm 80
attached said spindle, bracket arm
also secured said spindle, rotary terminal
with radiating contact arms vanes mount
ed said bracket position rotated
by body conducting fluid contained 85
said receptacle when said fluid displaced
by centrifugal action, set forth.
33 Having now described invention, what
I claim is—
1.
The projections are preferably placed at
different heights the vanes se
cure greater certainty good contact with
the mercury film when rapid rotation.
2. Maktling. circuit-controller comprising, com
bination, terminal capable rotation and
formed provided with radiating contacts,
a closed receptacle containing fluid which 50
constitutes the opposite terminal, means for
rotating the receptacle, support therein for
the rotating terminal, and means for oppos
ing preventing the rotation the support
in the direction the rotation the recep- 55
tacle, set forth. So, also, having regard the fea
ture invention which provides for
maintaining such device operation a
25 receptacle which may hermetically sealed,
so capable containing inert me
dium under pressure which the makes and
breaks occur and which medium practi
cally essential long-continued and eco-
30 nomical operation the device, may em
ploy other and widely-different means for op
posing preventing the rotation the part
carrying such vanes the direction the
rotation the receptacle and fluid.7
set rotation, and its speed increases the
mercury other conducting fluid -which it
contains carried centrifugal force the
sides the inner wall, over which spreads
S layer.
NIKOLA TESLA.
Witnesses:
M. When this layer rises sufficiently
to encounter the projections the blades
or vanes the latter are set rapid rotation,
and the electrical connection between the ter
minal the apparatus thereby made and
io broken, may be, with very great rapidity. The combination with receptacle
mounted revolve about axis inclined to
the vertical, spindle within the recep- 70
tacle and concentric with its axis, weight
eccentric the spindle, and terminal car
ried the said spindle, and adapted be
rotated body conducting fluid con-
tainéd the receptacle when the latter 75
rotated, set forth. circuit-controller comprising, com
bination, closed receptacle containing a
fluid, means for rotating the receptacle, sup-
40 port mounted within the receptacle, means
for opposing preventing its movement in
the direction rotation the receptacle,
and conductor earned said support and
adapted make and break electric connec-
45 tion with the receptacle through the fluid, as
set forth.
4.
3. Lawson er,
G
