Daily press. [volume] (Newport News, Va.) 1896-current, 1899-11-02
WIRELESS rrLxGRApny TESTED.
Goyeruln.n,'s Trial of III" System Dis
closes % Serious Defect.
'Rv T,elec,,nnl1...

(Rvz photographic -.554--.-z=e-a.s,.s
7hNW YORK, Nov. 1.-The cruiser
New Yorf, 7ft g:sff irfsa e ar.Anmra
Faroular, and the battleship Mifsf1ss-'
chusetts returned tonight to the an
choragc off Thirty-fifth stree. North
river, after being employed for three
DAYS in evolutions for the purpose of
demonstrating the working of the Mar
conf system Of wireless biography
under various practical conditions.
The operations were under the dlrec-
ton of a board Of three naval officers
appointed for the purpose. manner!
Lieut.. Commander j. 7. Newton, apotru
tho New York; Lieut.. J. w. Rish. with
The Instruments at Navesink, N. D."
and Lieut.. L. X. Hill. aboard the MAS
sachusclts.
MARCONT HANDICAPPED.
Mr., Marconi was handicapped by the
incomplete instruments which h"o
been brought to the United states
simply for the purpose of reporting Tue
}intcrna tional yacht races ana was uh-
able TO give the government Doafa DIS
thorough a demonstration OF inc cap ,,,,
hi]ities of the apparatus as he would
have wished The request from inc
| Navy Department for government
test had been too late to permit Il
change OF arrangements. But the re-
suit of the working of three sets Oh m
struments employed in the tests OF inc
past three DAYS was to show the gov
rrnment board that there is practical
utility in the system which would be OF
incstimablc value to naval vessels
during cvolutions of any kind, and cs-
ncciallv when on scouting duty.
STRIKING DEFICIENCY.
| The members of the government
board will be obliged to call attention
| to the fact that during the tests II WA:
possible for any instrument located
within the circunscribed radius OF
| transmission to destroy the effective
ness of other instruments at any time
While the Massachusetts for instance
was telegraDhing to the New York The
| operator at Navcsinl sent message
at the same time and the result on the
Receiving side of the New York's Sc
| was a mass Of unreliable character!
caused by the two series of electrical
II impulscs reaching the instrument q
the same time Mr.. Marconi said tina
he could prevent this interference OF
the part of a third station, but that 1T
would not demonstrate during thes'
tests, because he had not yet received
his patents for that feature.
METHOD DESCRIBED.
NEW YORK, Nov. 1.-Mr. Marsan
: allowed a representative Of the Asso
ciatel Press to make q minute lnspec
ton of the instruments. The methot
OF transmitting and receiving messages
by his system, as now used, may d.
briefly explained as follows:
"a wire runs from the earth or waite
T when aboard ship, to the lnstrumen
and thence to the top of a mast. !
nowerful alternating current is mad
to flow up the WIRE by means 81, " a. a.
Induction coil, which is made alive D.
closing a key, similar to an ordinar
Morse telegraph set, except that Ill
much large. While The key is close
the rapid Attenuation currents pass u
,he wire and set in motion eleetrlci
waves in all directions
DOTS MD zD.ASIli:S.
rapid opening and closing OF IN
G KEY prod uces a dot and a dash is mad
!. Iby holding the key down longer pe
: ROD. Thus, the characters of the Mors
alphabet are made and any telagrap
: onerator can read what is sent or re
!. ceived. When an instrument Is nc
!, used for, transmitting, a switch diSSoi
u meets the KEY and attaches receive
which is likewise connected with u
mast on the earth. The electrical IN
:, pulses sent out by any other station ~
Z caught by the wire ut the mast ~
, conveyed to the receiver, where tn'
MA cnetiZe In an extremely slight dt
'e o.rcp a small bar, enough to cause m
II mute metal filings near by to ci'ist
J. about it. This closes another clfcu
ir whit.h works q recording instrume
like the old fashioned telegraph reg,
Ter and sets small hammer callcr,t
"talpper' to humping against the Ella