, 1875-12-30

The Proposed TuEnci Under the Chan.
n0l.
Correspondence PAtiadstphia Eusntna BH'it.in.
rAn1s, Doc. 10.-1t ii not only with thu Suez
Cana! that the name OF M. do Lessops ia corr
noctsd, aud las boon brought, 1t this momont,
prominently before tho public. With great pro-
prioty. tho aaine individual who achloyoa tho
above-nanled g,gantso work MAS deputoa. OF,
Monday last, to lay before tho Academy OF
Sciences, ut 1ta customary sitting. tue daeply in
torcstsng report of II. LhsallDy upon tho pro.
graaa making and the results hithorso obsainod
ia another Undertaking Of even creator mag
nltudo and more peril. rafor to the
preliminary experiments aud !nveat!Gaslons
which hAyo been going on throughout tho past
summer, on buth sidea OF tho ChsnAel. With o
Wow to the construction Of tho Submarine Tun-
mel bctwoou this country and 0rsat Drltutn. AZ
The Suez Canal question has aomawlat subsidized
iu interest," aud u not pethaps likely to olet sny
now phtso until the natter conch to ba dobatad
In tho British parliAment, shall take tho ot-
uostunlty Of transferring your roaders' attention
from tha pshsago uyer, ot, sathos, rorhaea
aca which divides Franco fruIn EhGla and give
nhors rsaumo q N: LAyaileys document . re, re-
tho engineer under whose intpactoN tle pfcs.'n..
mary operations arc batag catcted GU on tho part
Of lne French projectors.
a lilo plan adopted toE tho tunno! ttse!t y. ~
proposes to mako the tunnsl statt ttou, point
Ut tho Frepph coast tetwssn Gaala aud little
fishing village called SauEate and strike the
opposite shore In tho Day OF 1t. Margaret, ao1,o
tnllos cant OF Dover. The 0ntlro leugth from
allura to HhoIo will ba about Is miles. Hut tue
functions un both sfles with the Froncl North
orn Line aud the Enstssh Chath sna Il Dover sud
southeastern. Llnch respectively. will TO very
long, Iu u1d-chanupl tho tuunal will 10 abnut
800 feet boiow the aurf4ce pf the Hos at low
water, and 4u0 fent below the bolton, Of tho
sea itaols. 10 altAio thty gro4t depth, tho line.
GU quitting tho F'renrh Northern AnitwaY. vii!
outof, at slight grudtont. 1irst cutting, an!
isxeIf already 1t = depth Of aolna zoo fsot below
the kolt before It eHterd beneath t4o wafer,
Continuing still to de1cond tor some or miles
further On with tue DIP ot tho tastt tho tuu-
nal will tlsn slightly trend upward asa.n until i.
reaches tho mldlla Of tho Strat, tho object uf
this slope being 70 obtain drainage foE ths Int!-
tgatlon, which will thus 10 carried hack lsat to
tue point where the s!opo bogal, and tAeoeo by
coillu,t to reseryoIr st tho Hhozc, where i
will 10 pununed out The track OF tho pthes half
OF tho line ou thp British side, will hc PRECISELY
similar to th.t Of the FsancA. Tho o,lo groas
d,nlrulty to bo oyasGuue, Or rather tho p0ut tu
ba dellnad IN making tho tunnel aud dsoltlihK Ut
oaco UPON atY praticabliIty aud ils po.itloa, ".s
to discover, With certainly. = suitable aud safe
muiium through which to bore IL. Thu boriH;
itsolf was ouly ! secondary cuuallotat'on for
with tue Iltuntou machinery, almost anything ia
that wAy eau now be accomplished. Wlth tlIa
vlow the cEtHs on both Adea hayo been carefully
! examined aud compatea Il tho puluiA Of la1up.
t@o., and found - coineila very much ~ thu
yajns OF wood would DO Found to do III treo out
OF wn.ch large knot had been cut, showing tho
| grain 1t oLlhar extremity. These s&sata hAya
bson found to coRs,st p1ineipA Of thres Kinda
ChRlk aud tint MiIai, Wlitn chalk aud gray
chaik. Nov, both the two aforementioned Strata
ara found liable to be sravsssod by assu5sa u