, 1864-09-09
FIRE ALARM AND POLICE
TELEGRAPH.
Arresting The Lightn1og--a History
Of lis application TO Signal
Purpo>es---adyantages
Of its Use.
TIE TrLEcRApu IN CHICaCo-HoW 20
N0EK 1I-LOCkTlUN OF SiGIAL
BOXES AND COpESE OF CIRCUITS,

I
N0EK 1I-LOClTlUN OF SIGNAL
| BOXES AAD C0pKSE Or CIRcUlTy,
chicaeo. 1t the present time IL the scene Of two
to her, novel aud IN erest1rg en- erprIses. In th
drst plsce tunnel, which promlees to he. ere IT.
Completion. the Greatest bore 10 The world, l.
tending lrE t+dtou. 1+n.th heu~sh h*r lake, whfit
| network Of witcs destined to s4Fe the i1ycs and
pruuert, Of her cniz-rr ID enrfso.iu and entwin
| Ing her streets. The frat sunjecs-fbe tnuneI his
nstn shtr"ughty and fy~u unaaic'l'y dt ;cna-c5 but
| graph lA+l ever been mctbodlcstls placed betuse
the public At this etsee then, shcn our citl1eus
are looking with g.eat cxprctsdons for 1ts CON.
p'irntiUn may net be inappropria e.
In the WIG 1Euse Of ph5=ica' science, no branch
j. more rcpiete with bcau'y and wonder than Tie
department ol E1tcuic-. hcienne opens TO the
stuucbtr gaze Wider c1rabse OF ptexsur4l,lc in
sfrctluu, aud Lone r. note calculated to cuItya1e
=, .'esn;e ni; in.es1aa powert. Look Al ron
III lightning tpreadtpg tsH iur tIare over aIi n l.,
ture. With Ii eubltme crapdeur wnich ptrtses the
human NJ nd with feelings Of reverence and ave.
Who nut ~ eltctrteaan, would for moment su0-
pntt that that wi'd. tesriicafly pow-rful aceut
could be rednced 10 the obrdience Of lave az e,m
!s IN ne1F nature a. tho'e '1sh Govern the m at
iDsignidcanI natura. phenomenaS Who w0uiu
snppott, IRON ccn,parl+Un, that weak. pnuy man.
Trembling b~inre The l1gbtI1n.'s glaze was the
NUS er OF tue tWa, and that the mighty electric
WIN hertoeFcr be- rec'euy Still sucn il : fsct.
aid To-day nan bottles the ii. htpiny, with apoui
1T much compn1'o*ion ~ he would bottle its &C
company 1rE rain Wafer.
nlsruHY OF T11s FIRE EALARxrEIanrArn
Wheel thc eucccseful working became apparent OF
tbs1 rea. er:Etou uf mans ingenuity the Eiec.r.c
Telegraph fDT the tFnbaule lon Vi mea.ase1 from
on !nti I, IL "notacr. the Ingenuity OF out race
speedily Aeked II toe pribcluIe could not be applied
~ o;hcr PURPOSES. Investigation ans xered iu The
aAf1ua!ase ahd an'ong 1ae most useful moolfca-
ttone Inc Fire alarui T.le:1apa'' Occupies a
tslceIaph was In IL infancy The ,ea occurred to
d.. Channipg, q Doston. that it could be app.ed
tuecEssirlis 10 b1rr arms, and III June lSaj, he
rrs cent involved In the American Fire Alarm and
Ptce 1te4 Eaph. Alter .te is-ne OF this treatise
9thtr p10l!rations appeared aud at leigh Hon.
sec,mmt. deo lls adoptiun III his Official address
cellye1ed JaLrE5y. 1915. At Ibis time Mr. Moses
Z. Farmer Te'cpr 'pu EuRinesr ot Boston, asso d.
Iecled h1s attention the subject aud the >Iarm
It II 10 the ntidc ekiti Of tnts sapt
man and II. Chanting. In The Do -tor's IN words
Which tuerest4,d TO him the 'Ssenal' and Htarnl
circui's- Tue a,.a!osy with the functions II The
mu1'se and sensitive nerves oT Tue an,msl system
IL eonp,fie Ihtfceaual Oflce Is the osain, tue
l. 1851 Di. chas ming submitted to the Corpora
ton oi Boston detailed plan for Fire Alarm.
18Th vi April 1852 The ete1n was put into practi.
cl operatiu,. In 1859 thu seven tife bells Of New
fofk WtfE connected by an electric wi{t. This
Antsisnt Fin Alarm sud Ponce lelcsrsph, mich
II to all ihttnts ana purposes the reat system ex.
tant. A!4r Ibis The system vas put 1. to operation
III Philadelphia On The lh Ut April 1856, and eu b.
e+qpt1,us tu 81. Louis. La a.ti1ore, New Orleans,
Charleston. Moutfea1. G. T., and nov II Il oe1ng
T.pidls hurried to comb't, in ''ye'' Garden City
Q, the Nttt- There are -tIlreu paten q, all Of
I'll, II In the POSSESSION OF Jvnn F. kcnuasd s Co.,
BuRton and Philadelphia.
11e UsEs AND ADVANTAGES.
The uses Of the A arm Telegraph. as clycn in the
epceiGcau LIS Ut The builders. sre to gtre tuttan-
taneoue, anlvt1rM and dennlse alarm in easc o!
IRE ana IL ailold facilities tor intant pollce com
municstien with The Central oflcc from every por'
How prekz att with importance Ii that short sen
| tencet Bow many hundreds OF lives aud ni,l1ous
Of dullr~' worh ot property Involved In ita
iul1iintnt. 1t IN, hour or minute an outbreak
of Mob nIay occur in parts Of the city remute
1fUM police headquarters. BY means OF the te!t-
graph, within minute from tee ,irth Of the aa.
Eer ever} officer, WIZ ftv-r he may be stationed.
made aware .. lts presence, aud hue been nttrac1
co rs 10 bit outs LIVES and property may be
taEeo and Luz m.jeety ana authority Of The law
f1gGae.!sd. In Tue words ot ha,of Conrad 81
and ha s0u! is The teegs sa;,h.' The uul,ry of the
t!eiem IN regard to fires too obvious to be de,
ba9sd. IN The Q d plan OF look OUT men, as On
our Eour1 Aonsa, the p5e-encs OF the fire ts not
baltd uistN II has mule sufficient progress 10 be
visible from long ut.tauce- Nor, the " fire alarm
| ts1tgrapb" ef.es lhe a'aEm w.thln = minute after
of'en the ensfu.s arrive OIL the spot b.ture
The conaasEauon IL externally Visible.
Among Tue minor aaEaA.asen II Possesses
occurrence of fatse or needless alarms, guides the
flc engines Lot otly TO The d.sics but to the ves
bog sm Which 1hs al4,m i .Ssn; j. provides
mcpt H. ha1mUniuusly cuunecteu With cen .er,
ana establishes unlios,1 time In cserg part oi
she .en,1a1 Office on all Inc brll-. TIE PROJECTION
| tron damages to bUi!a.u:s By atmospheric elec.
| t1itiiy ur itelttfn2, BY the net work oi wires
spread over the city, js also no insig mat
ter.
IT'S MODE or ACTION.
The fire alarm telegraph consists primarily OF
two par's-.be s'gnsl npi,ata.us and wires by
which the p1esencE OF : lire or Other cause OF
a!a1m IL teleg1aphed 10 the central o1fce aud the
alarm appszstus BY wh ch the alarm bells IN differ
cit pats OF the ely ATE Ftruc1 from The cearral
1ftlce bJ the operator there stationed. Distributed
over the Lty are sienHl boxes, one 0! which should
te within ~ or three nuuutEdIrards at most from
every t'oura In tbe city. These boxes viii be
cottsge+haped, Of bears cast-lroo. an1 fastened
to The elne u houee or post They will be plsced
ns osep ae prac icAble 1T the corners Of streets
and In the vicinity Of 4amp., and will com muuni-
catc by lhstlatrd wires with The sigma! ercnits
overhead, while conductor Of Lightning Ar
les,er' will convey atmospheric electricity col
1ected By The wires 10 the earth. Ev>ry t.o1 will
sign e1auns where In the 1mmrdlato locality the
key will G toubd. A key IS alro to he IN the pos
sersiou Of every policeman and member oi the
sndi: The individual wl>hips to GIVE the alarm,
will tpen the neartst box and turn csa1K con-
tainet In it. This action Communicates the num-
btf or FED Of the bI to The Central Station, and
the luncet the crank ig turnfnE rather the more
frequently the operxtion Of turning Continued
the great number Of repetitious OF he nnnnsr ~ill
be riytn at the etat,on. These signals regis.
ttreu st the ce1rzl Office ny one OF the usuai tels
graphic re i-aGtiDg seElsteIk,. and at the
s1acsea W b. tic G s,1it1ne .: small be in he room
| or ecmc other slmple dey,ce. HiE dntT then Is to
| rrleaee the mechanism Of Repeater" and
| communicate the alarm 10 every Sell IN the CITY,
| the aiarm wlz.f. The striking apparAtas o. toe
bells IL under the action o, an electro msgue and
I'D II u
1t ia also In hle power when be consiocsa u aasis
able to only sigma, portion OF the department t
dlecountu BY means Of '' switches" any Of ~
| a1srm cirru1te. upon which circuits the bells vii
| Ienai1 silent. BY this mcans the olrect Location
| Of the cout3arra1ioh can be given Ion every oel
and the Fire Department can be Oh The spot beio
tbs combustion is nan5 minutes olo one Tat
ahich we hBve omitted ia this Tue operator .
hund sound The. alarm on The ys1lous 1T
bells. tut .,rikee the number OF tn
S,1 @ IN 1 The c1ty E.ch BOZ 10 also furnished VII
a +tpnfate /. .legraeh key fur Poltce purposes, b
when policeman, BY The adop.sou Of sone simpl
1oe cry Vii, bis Chiet, or at ,eass sith the opsrs
} Tor ut The Police Headquarters. kiots and othe
olttusb sbancer nsy thus be nipped in the bud oftel
almost before Il cir commencement
Regarding The otsrorlivn Of the respective eli
Cuit- we need tRy but little They are represent
ID BY wires exteldtnx from the central office 4
every s!gnsl box and nlaru bell In the city aud n
tuning again TO heanquarieEr- In this maune
the Fire Alnfn oiti-rB from ordinary 1e'egrapht
usua,ly the tleclnc ciEcle y completed not By Ee
1Lrnine wiree. but ~ attaching The opposite epd
tor, in The Fire TELEGRAPH. howeytr, the circle
completely metallic; II nns hreaea occas, or an
COM ec1:ont With the csrtb II te the result Of .
: actidtut apu viii INN. uiatcly be stgnaed TO th
| operator rnay b. the Ftnping uf email bel
| The uliily Of TIL arran4en'en! 10 very p,aren
With the sn@le wire, II bseak occuEs all coz
| con pletcc. Now, with The two wiree, II brea
hsprcnr IT. cithtr ott them: bV eimpy attaching
ground E1re-a wirr reaching into the earth. II
Garth .tr usty becomes the re nrn Ire and thsr
IL no knsI,enslou Of communication.
When DoN We etate that everybody knows tbs
the wilee will pr.icetd ever the nH'is OF aon*ea
and be attached BY insulHtod tracx cts we hay
complyt. a brief history IT this wonderful mod
Aratiop Of one of the greatest Inventions eve
msue by the brain Of mau- Perhaps after a!
though, the 1ecersaty Information % the house
run 10 me nearest signal bog and o6tainiug Ii
nrg HS@ a. as
| Your work 1e tnen concluded. The magic win
which encirc,e tie CITY like y network Will be il
| Ornamental ~ effecung the rest, and ere you ii
aware oft the alo1m bells viii hc ringing and Il
! u,trhty fire e,,g1ues under the direction Of tho
. nouie servants of the public-the heroic d1emel
;; be baetenin" 10 the tpot. An explanation, hot
ever, oT this action ie deemed necessary. for m:
) l. 4 a thinking animal and requires to KnoW Il
! why and the wherefore" Of everything. The1
) | fore we WRITE
:. TEE THEonAru n cncA0o.
! Knowing then that all these statements are fael
proved from ,oug experiences In other citisf. ~
. recocnixitg the great nerd Of a 1tnproFeme
upon our prettnt fgstem, tns C1y Eatas,s 1sn :.