, 1879-02-15

A"''oHnAhaAhb lHH lHuHfIHlIB OlflhlhllA'1
ol The current for electric lightning. That was
not net utDnlishct .v tha JabMhkntf bcllelne:
IN tint system tim rtsi1tdnee through lisu use III
laG candle ta an great tt'a, win tue mast po,H-
erful a'ternatc.eur'ent ,naehaes, twenty Is Tue
,tnInet number Ut |ivhts obtninahlc, the ma
chine giving thu currctt through four Circuits.
Tho WcrderHann apparatus, placcd 1T coinct-
tion with precisely tho same machine, gives 100
.wcnty-four .yrr.lcrnann liEhts,-eactl eauiva-
lent 10 s1xtT-four cn1ltllcs ur tu four Ens5ees,-
placed tpon one circuit, in different pnrts ot the
works ot tl!e ur1tish telegraph Co'upany, out
thing less t!nnn thrcc-i'orsc power. THE liglts.
ns described In my previous iettcr upon tic sub
1ect, were pure white, oxtrc1ncly steady. pleas'
mi To tho eye; md nn hfsstnI suund comes
from the 1unrtnse Of tho CURIOUS, rs Is tic case
with nll other Iights have seen while here: |
tn,lchrl q cou'n!utator and extl1Ig'ltsl'-
cd ay light wis'le1 3D., ,Iian:;, 5lait.a:aoze,i
ns'' o.sis s Sst %st n' asr, t ris"sfy syete g.
On tie same circuit Wcrtlcr,ranr placed puwor-
full ligl,ts, equal tu Intensity 10 TINT Of very
!arRe regulators; nntl, still On tho eane circuit,
lights equivalent tu uuiy lsnif gas.ict. This Ii
sufficient to show the
UTILITY or Tits sYsTEM ron ALL PURPOSES.
II, on the other lar!!l. You take the .Jabloeh-
kOf, the lights tnltst he of uniform intenst ".
Ono clrnot help beng asto,ishc[ ut tl!o In
latter selerae,-one:al;d:a-a a-aunttor;,orfe nower
At scnst being required per candle. Thus for
twenty 'igllts {tlIe utmost limit ever rcael,rd hY
strou,.nnninn Il .cceasatv' Tlu rn,inc"rs n thc
Smnirlnf f:nunrit NJ Parfe. In thrir tItirtni r.
nnri, drnwm mn hy Al. Cermcsn,,,I. tltv" timso
figures, which must bo regarded as exact, cur
n,1ni.rr # cntri,,urs. tim ,fHlIt ri ,nr tn,,lIs
is n'tI,uIiv ",,.,ul IL eirvnn trnnry uas.
i,,,rnrra Wrr1irrn,nnn hns ,lcm,,,,ist trst.1
that he can give the satno Quantity OF
,MTrr. IL, tner.nso inc number OF Jault,chsoiT
st,i',.t n 1fti frc ro,nnint" snta nj ci"riricni
moslIinc,y arc rcouircJ. and Consequently
twenty circuits Ut cuble must bo in oprfntiau;
Wcrderniann, In order to inercnsc to tl'nt mum.
indeed, he can
PRODUCE AN 1NnEptH1ru YuMnsu
| from arr set..-thc ,lm,, mt havtn, hccr xot
found. In tic Jabocl,koir, tic gat, rs sce, on on
tniniv IN ,,,,stcar hssnr sim .n,,n,' 1., IL ,r1scrl
iv ia imnniny of Tho cI,rrcnt fr.n n,,c rnrhM,
~ ~ a,,t,I,cr At ibe tor of tic candle. In c,sc 81
m aeGsn: n m H. tx1'1ss rt;i1 - saue ~ tg
h..o,na. i,orssi ~ ro,f,it H. soi,,o H. ,a,os a
% ~ ~ u nX socra sc se W. tr
inr n n rommutator. whci, makes tic current iuy
Wgun msw eEss on,d IT, ue r. nr so
saps ans nt "fat ,bo tisr T.,
~" Htroit ! m;,I ~ o,,i,. ti,at' nt r. rc;,whtI
isc,f in,,ucdi"tc,v xti,oi,t Uni interfcr"ncn Irnn,
any ,sv'd ans s'"'o'a's's "'"''' 4''"'
NY Iii nit., . .,, a,,,ar,,,t,ro, ~ .,,o 1,t,
t,anr H. o,,,neet.on ~ ~ ia Wer,1nrm",,r
in,,,'s H., ~ :, ,,s,ne ~ ~, fn,,nnr
1"''p'' t'e s"'lo'eo " tl'e io'"'et
| nuhN ONLY AN HOUR AND 4 QUARTER
In tic lamp sufficient number Of cai.lirs 10 last
through the night; 80 that layo seen a. many
ns aesen, anu esen niMc, 1 III tAc a"ni as eacm
nssjtto1somstnes uI p ' Sstpp at it tic lon. md
vi H.. ~ ,"r i"1 .,,,.i,ns nroic6 ahn,nva nn III
aa lne oihSr sa.cs Rsp1cv ,a ar,n snauuws np m,s M