The sun. [volume] (New York [N.Y.]) 1833-1916, 1890-05-25
PROGRESS IN SIGNALLING.


water Othcr Novelties In Signals.
}mn the uash,oo',r S'or.
Signal service Officials nro watching lust
now with Keen interest tito result Of tue most
extensive experiments ever undertaken in OPP
tirnl lc'cGrnphy, THIS is I, O oreration oil
heHograpn hH over 90 miles IN lGnRth. ex-
I'm iiNg from Fort stanton, III New MONico, TO
Whun 70 barracks. In Arizona, with rnmiilca-
tions lcalWg to Forts Mcdowell Lowell, Hua-
Tho entire limo said Mr. BERNARD Bunne-
mover tnh |h reporter places in communl-
cation twCniN-ilN Snnl stations and CONF
,nnnd~ section or county OF the utmost I'm
m1riH1oc in warfare alniust hOstilo Indians.
IN" Icy m!rGl Niuli pe connect With the general
ie"EIhNh ~ ton ~ to country, ana thus
liluE Tho lnwust rrcrHso~ OF ArIonas and
Now Mexico Nus,ncss mo close relation with
III" sea- ~ HVNorniu"Hi. ihct OF which mes,
"nSc received II few lays ago At the Signal
O1icN from G"u. Grey, who IL mt present in
3rlIonn witnessing tho lrarti"al ,orerntion OF
ShGe WA written ~ tho Conceal on Bowie
Peak. and flashed rom summit to summit over
Lara from forty 10 lurty!iyo miles in oXtont. to
grssiy,N Mount ,iulam, TRllo lutte Saddle
Teak. Pnat Mountain. / Oukuut Peak. Bakers
Butte, S.unw oak. Eliu Mountain. and Whip
pie nnrrmES, Who're It "nS transferred to the
Tue pan ~ this gigantic undertaking was
concrymd and Carried ont by m ah'. and ener.
ramon hcr"d in this CITY aud mas charge OF the
si@nnI ~rlyice in the Department Of Arizona
con- rrcty rrrugni nr tho Possible advGn-
lagrs offered. in u military IOut, by tho we'll
planned Irolc"t lett nothing uhi"mc 20 make
llt experiment u SilNftrS, NnI InInlSnpQ mo
"ntie line with the l'"sf, cuGirment nj his dis
po-ni lie rn,idcd Clch station with one or
more hrlioGrauhs IL The latest pattern for flash.
ing mrsaGrS. rnnorts, and information OF
value onward. rus mysterious little instru-
mon itcNtrrmoiy einpi" to manipulate when
uuicI stool. md IN the ra0d. Of an az perienred
sgnalist yields tn" most surprising results,
ana hcromca potent .ac'ur ia tho NcId.
lmH.Inr u mirror about lou inches square
90 arranged on Il tripod or other suluo { that
tie rays Of Ito sun reflected from lts surface
may t." thrown on any Irunt desired ana kert
In 0NI.nfl
ra'c tor the auuaicut iI"tinn uf the sun. This
j. u toliOS Grh. 10 tran -m't message it will
RAYS 10y .Horr-" Il u sriCrG and OF ornte tho late
ter so as 10 reveal TO tho distant station itnshrs
q l@h'S OF tir Amer ran ior+G telegraph code.
Ans telegraph operator may therefore become
@ ,, III Ne immigration OF me in,trument
that led Gen. Grccly e. recommend the adoD-
ton ol lhe American Morse codo Tor signalling
purposes. In addition to photographs the line
was ak oGnlUpDd with tcies opos, icd glasses,
compa, ses. ANA, IN 'nct, everything necessary
TO "nuhir tn" sigma officers TO .can the sur
rounding country from their lofty stat ions and
max" cor. cci r"pOl Is OF any unusual occur
r.nrcs Within the radius Of vision TO the near
ct military rost or 10 ihe authorities in this
Tho Possibilities of the photograph ara not
Two years have nossagy 5 been exchanged over
y range of - miles. Whilc quite recently Col.
Nu,kmar has demonstrated that the insru-
mrnI is quite elective NJ distances o over 95
miles. The instruments III u-e wrro designed
III me HlGnNI 'lilct. IN /. although IL IS not
genera ~ known. tho OH Cals are always on
tho uui viVc for improvements of value TO
tho army. The ialcSt device is Il field
telephone equipment, but the name walk
ing telephone Is much more sugges-
tive. 1t consists of II receiver. Transmits
ter. and Re, inGeniously arranged in q
small sole leather pouch. 4 soldier provided
with this equipment and u reel of very light
double conductor wirc carried in a knapsack
on his back mny move al over the field and
sttl be eunhlcd to maintain constant commu.
nicaton with tho central station or starting
mi "a "a
Guilty. On tn" field OF battle or or OUTPOST duty
this equipment will be ndi-pensable: 1t fufils
tie requirements of instant and constant COM
munication. The committeeman OF an
army Watching the progress of battle from his
station Iced no longer seud his Al utants to
and fro with orders Tor tho disposition OF his
f9rcos this equipment will do 1t without loss
Of valuable time.
Another device. stu in the embryonic state.
contemplltes the utilization Ot water as the
transmitting medium. and the result of pre-
limiuary trials speaks well for the inventor.
Tho construction oil the cOntrivanco is Il secret,
but some idea of its usefulness NAV be OBJ
tained from the fact that II will effect COM
munication between vessels. IRON shore to
.eSSel. or between any two points separated by
a body Of water ut distances Of several miles.
Since Gen. Greedy has assumed charge OF
the Signal Corps many valuable improvements
have been effected in the appliances for COM
muncation in tho Held, and from the efforts
made iii keeping HbieHSt of the pTOgTr65 in
science it is evident that this corps will do
honor to its present chici in active service"