The Salt Lake herald. [volume] (Salt Lake City [Utah]) 1870-1909, 1901-04-28


telephone whereby a. family, Sitting IL
their easy chair at home. could hear
N every perfection of detail the music
IF a concert perforated IN distant
han S,1ch an Instrument has been re
Gently perfected by n brilliant young
scientist of this city. NJ Dussaud. His
loud talking telephone as he calls l.
0e telephone hayt-parleur), is an aus
tonatic informer a domestic secret
agent. which misses no work, or syl-
liable spoken in the room Uhere il is
set on gtiard and which. moreovcS, by.
g. ph0nogroph attachment. may be arr
ranged to preserve every utterance for
future reference The VIDE reaching
influence of such an invention in busi-
ness in politics, in intrigue, in crime or
the detection of crime-in Fact. whsr-
ever rGans intellect is pitted against
his fellow mans intellect challenges
Imagination.
the invention. never intended for such
a purpose. first came To public notice.
A high police official Of Lyons was ar
rested on charges of misuse of the
public funds, northumberland Of his
Office, hlackTpail and extogtl9n.a The
development of the case brought out
the tact Uhat ne had, in some waS,
possessed himself of information re-
garding municipal Affairs which
should have been strictly confined 70 a
very few officials. one of them abe
project Of police whose Office was. in
the same building This .informsttionr
he had used eOr blacl1men in some
cases; in others he had sold it 10 con-
tractors to whose interest il was 60
nave q spy at the center of affairs. in
more than one instance it was proves
that he had overheard and made use OK
conversation held IN the projects pri-
ate office. between the project and a
person whose interests We're Jeop-
ardizeG by the revelation of the mat
ter This persOn was. for that reason.
beyond suspicion, the project asserted
his Innocence Of .divulging the secret.
Suspicion -of a secret passage or closet
osiiee was thoroughly explored and
wires connecting &c with the prefects
private rOuTa we're fonud. At the pre-
fects eEd Of the wires was a u histru
ment which transmitted TO. the sus-
pected officials room every word spolS-
en- I'm any part of that Office, when
connection was established by pressing
q button al the other end of the wire
This was NJ. Duss8ud's loud talking
telephone" which he had furnished to
the dishonest official with no idea of
the evil use TO whiclfrst was to be put
I'D to the time Nhen the echoes of
this case rang thrC ugh f'rance N. Dus-
saud vas little fthOwaf to the pubic
among Scientific men he Was regarded
. as a promising worker in the realm Of
theOry. but ne had done little toward
developing any Of his discoveries. Nov.
suddenly, his name became known 10
millions: savants and electricians
Hooked - ms house. and he is being
bailed asethe scientific prodigy Of me
day who win yet beat Edison and
Tesla at their own game.
At NJ. DlfssasIds house. the visitor
can have the whole system explained
TO min by the inventor himself. The
Young saVauI invite3. you to press any
one OF a series of Electric buttons
ranged in a frame on the wall of his
stady BY pressing the button the Wis
ftor has established connection Be
tween the study and some other apart
ment in the house. and until this cor
nection is voluntarily broken every
A-ord, every sound in The room is heard
distinctly in the study Tx expert
rnent gives one q shiVsr the FIRST time
r. makes It, Il would be awkward to
Eve - such, a house as that. where at
any moment every word one says may
be. overheard by an invisible person in
tho cellar or attic.
This disQuieting result has been
achieved by the combination of q nlf-
crophone which catches and records
the slightest sOuifd. even from a con
siderable distance. and a telephone 10
which the IN preston IS transmitted
automatically and instantaneous %
be by it repeated distinctly ard loud-
~ SO that it is heard eli over the dis
tant room in which the circuit making
button is pressed. Not only can IL be
heard all over the. room but the per
son using il can speak through it
wherever he may happen 70 be-he has
no need to hold the tubes. once con-
uection is made lie can talk freely,
moving about the place or sitting
smoking in his armchair hearing ev-
cry hing that is SAID at the other end
and making reply with the same entire
liberty of movement as If he had his
fellow crnversa tionalist in his office
with him. The principle which enables
the taiker to dispense with the tubes
is. or course, very similar TO that Of
hfarconis wireless biography This
silent. incOrruptibie, infalhbie spy IS
already being employed IN police work
CfOr other purposes. thu it was put
10 by the Iyon's Hlagnate), and II Will
soon be applied also to the less sensa-
tioual purpose of making operas and
plays. sermons and other public dis
courses accessible 10 an audience scat
tered far ana wide, as Bellamy prORh-
An ingenious combination which NJ
Dussaud has effected is that OF the
loud talking telephone with a phOno-
graphic attachment As the talk goes
Cr-say between New York and Chi
.CaEo-every word said ia the cOnversa-
ton by either party is recorded for all
time in the phOn0graph attachment OF
each Both the C,hiraEo man and the
New York mar have a complete record
&C
phoncyraph has recorded what the
New York man said as he strO3led
about his ohice taking, and what the
loud taking telephone brought from
Chicago. Business men will at once
appreciate the value Of this ingeniot.s
combination which makes a telephone
talk Just as formal, just as binding md
rust as producible in evidence as the
usual letter confirming our conversa-
ton There Is one incunveuience-th the
oud- talking telephone DOESN'T pick its
-,aearerss it win often be indiscreet.
some of N. Dussaudis inventions
along other lines are as remarkable.
though not as far-reaching in their
effects upon everyday life, as the loud
talking telephone One OF those just
brought out is the CinematOsraph for
the blind IL has been spoken of a. a
means 5of making the blind see That
IS, of course. a highly metaphoricat
statenienS OF the truth. What 81 really
does is to give the blind a perception
of motion exterior 10 themselves. en-
abIiig them 70 realize by their extra
ordinarily rehned and delicate sense Of
touch those Impressions OF movement
in natural things which We receive
through the sight.
The mechanism by which this eject
As produced is exceedingly simple, 80
SINGLE that one cannot but wonder
that the cinematograph Tor the blind
has not long since been an establishes
institution. There is, TO reduce the Tna=
onfra "a ire a1crueufe 4 circular Mate