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The body rendered incandescent
should selected with view its capa
bility withstanding the action which it
is exposed without being rapidly destroyed, 75
for some conductors will ?nuch more speed
ily consumed than others. such case the is
walls should coated with some metallic or
conducting substance order that they may
have sufficient conductivity.
I would here state that the terms cur-
55 rents high frequency and high potential”
and similar expressions which have used in
this description not mean, necessarily,
currents the. Having
S produced the above manner current ex
cessive frequency, obtain from by.
The differences the length the primary
s5 and secondary coils connection with the
enormously rapid rate-of change ,in the pri
mary current yield secondary enormous
frequency and excessively high potential. 85
I would state that all the apparatus
herein shown, with the exception "certain
special forms lamp invented me, or
may well-known construction and iff
common use for other purposes, háve indi- 90
eated such well-known parts therefor con
ventional representations. and are
vertical sectional views modified forms of
light-giving devices that have devised for
use with the system.in the usual ways',, but have
discovered that connect either the
terminals the secondary coil source .
G the primary source current elec
trical energy, have explained above how
various forms generator might used for 95
this purpose; but the present illustration
I assume that alternating-current
generatorof comparativelylow electro-motive
force.
It necessary observe carrying out
this invention that care must taken re-
65 dnce minimum the opportunity for the
dissipation the energy from the_eonductors
intermediate the source current and the
light-giving body.of
current high potential the leading-in wires
' such device, for example, ■
ordi-
25 nary incandescent lamp, the carbon may be
brought and maintained incandescence,
or, general, that any body capable con-
.
By the means above described current of
enormous frequency produced.454,82$
known be, under proper conditions, inter-
.
Without attempting detailed explanation
of the causes which this phenomenon may ■
be ascribed, deem sufficient state that,
assuming the now generally accepted theories
40 scientists correct, the effects thus
produced are attributable molecular bom
bardment, condenser action, and electric or
etheric disturbances.
The light-giving devices may connected is
to either terminal the secondary S'. object
is next convert this into working-circuit
of very high potential, for which purpose 11
connect the circuit the jorimary of
an induction-coil having longyfine wire sec
ondary S'. means
of induction-coil enormously high poten
tials—that say, the circuit through
which into-which the disruptive discharge
to the condenser takes place include the pri
mary suitable induction-coil, and sec
ondary coilofmuch longer and finer wireI con
vert currents extremely high potential. Whatever part each
or any these causes may play producing
45 the effects noted, is, however, fact that a
strip carbon mass any other shape,
either carbon any more less conduct
ing substance rarefied exhausted re
ceiver and connected directly inductively
50 source electrical energy such. ,
The lamps light-giving devices may be
an ordinary incandescent lamp; but prefér is
to^use specially-designed lamps, examples of
which have-slioWn detail Jin the draw-
.
Such currents are not, far aware,
so availableforuse. The current tlí© primary P'
develops the secondaryS' current elec
trical effect corresponding frequency, but rs
of enormous difference potential, and the
secondary thus becomes the source the
energy applied the purpose pro
ducing light. For this purpose the con
ductors should free from projections and
points and well covered coated with good 70
insulator. mitient oscillating'in character, and tills
way current varying strength enor
mously rapid rate maybe produced.usual acceptance the term,
but, generally speaking, electrical disturb-
60 ances effect such would produced in
the secondary source the action the
primary disturbance electrical effect. ducting t^ie high-tension current described
and properly inclosed rarefied ex-
30 hausted receiver may rendered luminous
or incandescent, either when connected di
rectly with oné terminal . Under such circumstances raise the
potential the current means in- 10
duction-coil having primary and sec
ondary Then the current developed in
this secondary charge condenser and
this condenser discharge through into a
circuit having air-gap or, general, ic
means for maintainingadišraptive discharge. de
sired, one terminal may connected a
conducting-wall room space be
lighted and the Otherarranged for connection
of the lamps therewith.
I now refer the accompanying drawings,
in which—
Figure diagram one the special So
arrangements that have employed carry
ing out discovery, and Figs.of the secondary
source energy placed the vicinity of
such terminals acted upon indnct-
35 ively.as I
have described, may maintained incan
descenceif the frequency and potential the
current sufficiently high
