The combination with receptacle con
taining conducting fluid, lighter fluid of
5 low conductivity and non-conducting fluid
lighter than the others, and means for rotat
ing the receptacle, terminal adapted to
make and breakthe circuitby movements be
tween the conducting and non-conducting
fluid through the intermediate fluid low to
conductivity, set forth.609,251
and tending foi’ce its projections toward
the inner periphery said drum, set forth.
12.
Witnesses-:
M.
NIKOLA TESLA.
. Lawson Dyer,
Parker Page
