New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1853-03-18
The Aurora BoreaIis and the Electric TcIe.
graph.

u. L. b., q Geographic operator, writes to
Tie Boston 7rspeIer the results Of six years expert
ence in determining WHIST eject the Aurora Boress ex.
erts upon the Telegrsphie wires We copy:
On the FoEs Morse and other magnetic teIsSraphs the
cree; produced BY the Aurora 10 generally 70
oininsh. the electric current used in working the rrs.
sou enmts entirely neutyA zes it, that Ia efoct fad
Is di.eoyerase Oh them A. ho-ever, the Balm, eas-i
cal telegreh Is much the best al -ed FOR observing th-
precise effect produced by the Aurora shall coBfne ny
self Principally 10 it. In tins system, the min, or hoe
wire, brought into direct contact with the chemically
prepared paper which lies on metal disc connected vita
the ground any action Of the stmo.pheEic current
therefore Immediately recorded on psper.
During thunder storm. the atmospheric electricity q.
sctss BY the wires peas over them 20 the ehsnctay
prepared paper and thence TO the ground As it pss-s
from the wire 70 tho paper it euits bright spark and
produces Q sound HE the snappilg Of p.stoi Atns.
pheric electricity never remains or any eagta Of
The wires II vii, however sometimes travel mtnv miles
before dscharsng itself have discharges Of else
tcy from the instrument which snanaied from thunisr
storms forty or Fly miles distant
The effect produced by the AurOra BoreaU the wires
and the record on the paper entirely different from that
Of the atmospheric current lnstssd Of d.chsrEng itself
from the wires with hssh and report and without the
ad OF conductor a. the case with the later shdes
song the wiresn continuous stream producing the sane
iesuh on paper that produced By the sivnle eiitsy
produces the coored mark the paDerthe negative
ing the contrary effect Of bleaching 81 the also
true Of the two currents from ths Aurora Ths cureu
usually commences lightly producing light blue line 1st
Perceptbe on the ,PsPer-ind grsdnsiy ipcrese' IN
fIay becomes strong through several thick
pesses OF il It then gradually Disappear. aad Is 5o~ed
by The bleaching process which entirely neutrsses tbs
current from the batteries.
In nv dary o. September "a 1881, End the following
account the effects ofthe the evening Of that
day All the lines leading from the city Strongly
charged with atmospheric electricity this evening ~ 70 pre-
vent operation. ~ surplus cnsnt on tho Chemical ns
is equal hundrto and tfy Groves cups AL tbs
10 Be- the the House and Mos5 wires
The weather cloudy but through the clouds
siOnay see the brilliant ecnuleons OF an Aurora borca
lis" The day ascertaned that the Aurora
from Providence. New Haven aud other places
brilliant February 10, lG5l lind the foJ ~inr iescrip
II OF the eect OF the AnrOra OF that date Jaraal
Toward evening FAINT blue line appeared tins paper
winch Gradually stronger aud darker until at a,
burned It then gradually grew fainter until Il dsippsusd
when u appeared again ia new i0 bcaclng instead OF
eOoring the paper This singular phenomenon cOltinaed
until cosed late hour in the evening The Aurora
was very brilliant IN the evening"
Mr. Rowe. Superintendent of the Boston and Vermont
Telegram COMPANY showed specimens Of paper taken
from instruents on that line u o'clock 8: ght-t1ree
hons after the batteries were taken Oh-whch
cred with ght and heavy blue lines sud bea,hinss These
were eaufed by the AuroTa Of the 18th February
Our troubles from the Aurora no. conned TO tbs
entirely though they are more frequent tAen On
several occasions have predicted IN the afternoon that
eshoudhsve aurora in ne evening Judging by the eie1
ist time. and do not roc0loct tlA nave
ever been mistaken in my predictions
Thursday, April n 1852, were much troubled by an
anospheiic current preventing working
for ha hour aud then disappearing Tor about
whole evening We had very brilliant display Of the
Aurora.
electric matter resembling Ia every respect that
ate by the electro battery the currents from II
Change coming tho wires. and then dlsappe Nng AS
the the Aurora rolls hon the hOTizo1 70 the zcGtI
80 family TO 10 scarcely pesceptble, ani
vel vIv difere1 from whst ye conmony .r az lsphs
tic electricify ard which cannot relieve ourselves
FROM the latter BY placing groand wire eoadaeors
ia close pro ximity TO the line wires