567,818
1.
In testimony whereof have hereunto set
my hand this loth day June, 1890.
3. electric condenser constructed or
provided with means for the exclusion air
and gas, and armature composed con
ducting liquid herein set forth.
Witnesses:
D rury Cooper,
M. Lawson er.
. condenser comprising two bodies of
io conducting liquid electrically insulated and
contained receptacle, and seal insu
lating liquid the surfaces the liquid, as
set forth.
5 condenser comprising armatures
two bodies conducting liquid electrically
insulated and contained receptacle from
which air and gas are excluded.
NIKOLA TESLA
