655,838 5
taining the material snch state the
circulation through one more channels ex
tending through cooling agent, set
forth.
6.
. The method insulating electric con
ductors, which consists surrounding or
iS supporting the said conductors material
which acquires insulating properties when in
a frozen solidified state, and maintaining
the material such state the continued
application thereto cooling agent, set
20 forth.
7.
5. Lawson Dyer. The method insulating conductors
herein set forth which consists surround
ing supporting the conductors ma
terial which acquires insulating properties
when frozen solidified state, and main- 25
taining the material such státe the cir
culation cooling agent through circuit
of pipes tubes extending through the said
material set forth. The method insulating electric con- 30
ductors which consists laying support
ing the conductors trough conduit
filling the trough with material which ac
quires insulating properties when frozen or
solidified, and then causing cooling agent 35
to circulate through one more channels ex
tending through the material the trough
so freeze solidify the material, as
set forth.
Witnesses:
Parker Page,
M.
NIKOLA TESLA.
5 The method insulating electric con
ductor which consists surrounding sup
porting said conductor material which
acquires insulating properties when frozen or
solidified, and maintaining the material in
io snch state passing cooling agent continu
ously through channel said conductor,
as set forth
