The Pacific commercial advertiser. [volume] (Honolulu, Hawaiian Islands) 1856-1888, 1869-05-15
Grand Electro-Ast-ononical Experiments.

The United State Coast >urrov oEcer- have
BEEN er-a-i for -uc time la-t u maxim.
a-t-au.lIcai observations, hy tie AID %; tie tele-
graph. iecwecu -le ci-i-- u tie Far West and
Cambridge University. I1r Tire purpose s: aTiv-
iL- 90 tLe difference in mean time between >lr
Fuauc--I and E--.u. Ia- wire II the Western
Union telegraph COMPANY have nightly been
Connected. lr nearly e. month I4-t. from one
eide al tie Continent o. tie other. and the ticking
II q clruuJmeter IN Cambridge University las
been Observed and recorded 10 AN Fruci.cJ with
q m,-t remarkable degree o.! accuracy.
This j. done hy clureetiu. the PENDULUM Of the
cLr.ugMeter az tamb-it.e with the vie. ~
-uel a manner tiat tie main circuit J. broken.
ami iu--lt-g cll-,d again AZ every beat Or trick
lf tie timeI iere, and tie result J. that each
-ea.Ld 20 tii-e, az marked hy the cirouamer,-r
80 talhG.4-e -J-- forth from tie University uu
the Atlantic cla-t. and. with alml-; tie speed Il
light it-eii. huIrir- Oh over the magic wire. TaS~-
Iu- through Intermediate citi--. town.. and
Sil.a-e=. acres rivers. over mountains. and alIH.
tie pIeu country. until il finally reaches the
recording Instrument Ga tire Pacific cla.t ia all
VI I-- original i.l-u--- % pul-4tiaG.
A. any time during an evening % tie IasJ
month, g visitor C., tie o~Ieratiu. rlYm- %! tile
Western Union Telegraph btaae, might lave
heard one 81 tie little Instruments beating tie
time # the -iz,ieth lart Of n minute.
with tire m,uYtruy and regularity Of "a clrgnyul-
i,-cit. Tick, Tick, Tick, One. TWO.
tl.rs. four, five inmate claI--, and then the
4NN4NNA NFa-Ta IAalE AfA4t- Lar answer
from san Francisco 70 Bo-;on All right
your second signal came god. and ia- been
recorded for fye minutes. go ahead five min
ufe- more Again, tick, tick tick for five
and then >ln Francisco saws again
III right are YOU ready 10 take my signals ="
And tie answer from Boston l. q. Yes: 20
ahead Tick, lick, Tick says >au Fran
fr tie allotted five minutes. and Boston
-avs. IL ii- turn =. Al right
But Notwithstanding the speed with which
these Uulsatious of Il clock fy from ono side Of
Jur continent 10 tie other. II l. known that there
i a los, q very slight los Of time in the trans
How 70 arrive NJ this los. and measure
-ccond wire i switched into Place. a " repeater =
iddcd al Boston. and, presto. It's done. Now
the clock ticks made az san Francisco rush on
-hc wings Of light. over the three thousand miles
II wire 70 Boston, and back again 10 san Fran
-i=cp over the second wire. and record themselves
Il tie point Of starting. in something les than
.ixty seconds 81 time. having. in the interval.
six thousand milez. Last Monday
witnessed the successful completion of this
experiment, and the flight Of electricity was
.ctuliy measured. - 10 sfeak a. easily as one
measures q yard Of muslin.
Never before in tie worlds history Las such q
wonderful feat been attempted. aud that thu las
zen brought % a succc-Sful conclusion. il due
ntirely 10 the beautiful working Of the Western
MON Company wires, together with tie as,id-
attention AID superior ability Of it, en-
Trace tie route on the map, and mark
Le immense distances - lightly g.ided over by
nc subtle fluid.
The route l. from Bosion through Albany.
Detroit, Choqgo, OMAHA, Cheyenne.
'0t L0t' CRY. and ViIgiaia CHy to San Fran
i-c1. and thi, route il. Of course. doubled. form
~ for all practical purposes. but q single circuit.
Ic places ia italics above. indicate where re-
caters are Utcd 10 form tic double circuit
C"Drter.