Evening star., 1899-03-29
BY WIRELESS TELEGRAPH
Message Sent From South Foreland to Bou-
logne- Sur-Mer
Distance is Thirty-Two Miles. Nearly
Twice as Far Hest Pre-
viouS Record.

N'oAA'A NNtsAsStiilts tHt inventor. WHO FEfHnt-
ly' after dong delay, Obtained PERMISSION
from the French government to establish
station on the French coast for the purpose
of experimenting with wireless telegraphy
between England and France. announces
that he has conducted successful expert
ments between the South Foreland. County
OF Kent, and Boulogne. at the mouth of the
l,ianne, distance Of thirty-two miles.
The South Foreland is the most easterly
Iand in England. consisting of a chalky cliff
about Zoo feet in height. projecting into the
North sea, and having two light houses
WIN an elevation Of 372 feet. Signor Mar
COM, whose system of wireless telegraphy
mas been in practical operation or the En-
g!lsh coaS. for several months between the
South Foreland light house and the East
Hoou"ln Iightship. a distance OF twelve
miles. mad considerable difficulty in obtain
ing the consegt Of the French government
10 ms proposal to establish communication
OF this nature between the English and
French coasts.
About month ago. however. NJ Lock-
roy. minister of marine, consented 10 a test
20 De made between Dover and Calais or
toiks5"ne and Cape Griz Nez. the distance
IN each case being about twenty miles.
he distance from South Forelaudt light
house To Boulogne-stir-Ner is thiriv-fyyo
mics, the greatest previous distance cover
ed having been the eighteen miles between
foeie ana BournemOuth, I'm England. An
experience of fourteen months had shoun
the inventor that no kind Of weather in
England would stop the working OF his ap-
paratus.
1ne vertical conductor he uses is the main
feature of his system. and ne has found
that the distance To which signals may he
sent varies according to the square of the
iehSth OF this conductor For signaling
elShleen miles he used a conductor eighty
feet nigh. and In his application to NJ Lock-
q hat d
1eet nigh he could establish communication
between points on opposite sides of the
STRAIT OF Dover, and even go that distance
ten miles better
His experiments have already nro,,al ,b,.
When such vertical wire, or conductor Is
employed no hindrance TO signaling Is
caused by hills or other obstacles or nv the
curvature OF the earth. One of his most
interesting and valuable experiments was
the installation fitted uD las, autumn he
tween osborne House. Isle OF Wight and
Ihe royal yacht. on which the Prince Of
ares was recuperating after his accident
rms gave an opportunity to study the ef-
iect or intervening hills. and as the Yacht
moved about to various positions. doubts
We WEE SCI al rest as TO the possibility Of tee-
graphing across long stretches of land
communication between lightships and
Shore Is a matter Of great importance ana
the Wlre4ess system between South Fore
ldnu lght house and East Goodwin Iieht-
Snp worked all through the fierce storms
n
lerruplon. the messages being flashed con-
tnuaIiy from ship TO shore and vice versa
Signor Marconi is much the most success
Iul e&psrimenter among the many who have
WORKED along the same line. He is now in
MS tWenty-sixth year He is an Italian.
ana u was in Italy that he began this
special work. ~
e Ihe Italian government paid him large
Hsufe Tor his inVc1tion. 10 be Il s.,d -,,,l v,ar
Snlps. From Italy ne went TO England and
ms success there has already Interested
emperor William. who has instructed Ger
man eXpefts TO experiment with the wire
less system for the benefit of the German
army and navy.
lie recently, in the course Of a lecture on
Jhe system illustrated its principle Inv
a', mhehths II to that upon which a tuning fork
VIII respond to vibrations caused by strik-
ing another tuning fork near It,
The Times prints a hundrad-worl dis
patch, the first press message by the Mar
com system OF wireless telegraphy. dcsrrfb
ing me experiments between the South
fore!and and Boulogne-sur- -Mer.
Inc experiments We're conducted with tho
morse code. which was read as distinctly
as IL the termini had been connected hy
wires. -!