Witnesses:
M ,
G.
5 10. The combination with the receptacle,
of spindle secured its head cover, a
magnetic core mounted the spindle within
the receptacle, means for rotating said core,
a conductor rotated the core, and pump
ing device, such screw rotated the io
core and operating maintain jet jets
of conducting fluid, against the conductor,
when rotation..
NIKOLA TESLA.611,719
the fluid collects, and duct ducts leading
from the well points from which the fluid
will directed against the rotating con
ductor
