Decorah public opinion. (Decorah, Winneshiek County [Iowa]) 1895-1928, 1916-02-16
THE WIRELESS TELEPHONE.
Words Recently Exchanged by Wire
less Telephone from United
States to Paris.

Only persons who have given spe-
Cial study to wireless telegraphy and
wireless telephony have very clear
understanding OF how these modern
scientific wonders are performed.
And even an ordinary explanation of
them is not easy for the ordinary
mind to grasp. Still an ordinary ex-
PLANTATION may convey some knowl-
edge Of these modern wonders, which
supplemented by further reading
and thought, may aid a person in &C
curing a fairly intelligent under
standing of them. The following ex-
PLANTATION by one Captain Billiard
who recently exchanged few words
by wireless telephone with a man on
the Eiffel tower in Paris, may be a
help to those who would like to un-
derstand wireless telephony:
while / am familiar with the
land telephone and wireless telegra-
ply, l must admit Capt. Billiard
added, that it thrilled me when
these two agencies were connected so
as to make conversation from one
continent to another possible. 1t was
an epochal demonstration and
am glad to have had the opportunity
of talking to a man in Paris l asked
his name and received it. l passed
the time of day with him and have
since inquired about the weather
1T isn't exactly true that the hui
man voice goes across the Atlantic, y
said Capt. Billiard. what happens
is this: A strong current of electri-
city creating electric waves constant
ly is going out from the antennae,
consis ing of three towers $50 feet
high and wires connected with a 100
kilowatt dynamo; these waves serve
as a conveyor for vibrations of the
ear. Each word, syllable and letter
causes different vibrations OF the air
and the vibrations also differ accord
ing to the pitch, the lowering or
raising of the voice."
when a person talks into the
telephone he causes the diaphragm
or metal disk to vibrate against car
bon granules This causes CORE
spending vibrations on the electri-
cally charge d wire The result is that
the vibrations are communicated to
the end of that wire at the top of the
tower, where the vibrations are
thrown out on the electric waves
which are constantly being discharg-
ed. These vibrations caused by the
human voice ride the waves as far
as the strength of the electric cur
rent will carry the waves.%H 5a
when the sending waves begin to
weaken the receiver at the ether
wireless station attracts themAt 4
group Of wires. These receiving wires
gather in all the vibrations conveyed
by the electric waves and analyze all
the vibrations, sending them down
to the ear of the man with the reoeiv-
er, who hears exactly the cony6rsa7
ton which was released by the orig
inal speaker. s.
1T is easy for any one to under
stand that the human voice makes
sounds which vibrate the air. 1t
should lie easy to realize that these
vibrations can be transmitted thru
an electrically charged wire, and al
though / do not know with what ease
it can be comprehended, it is very
simple to convey these vibrations,
violently agitatirg the atmosphere
over electrical waves maintained by a
powerful dynamo. That is how the
human voice, or the sound of it, can
be heard from Arlington to Paris.
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