Idaho news. (Blackfoot, Idaho) 1887-1891, 1890-08-23
Channel Bridge and Tunnel

AilSAAitNSA
Ihave to-day seen NJ. yarilla' the
author of the bridge-tunnel scheme
~ communication between France
and England, telegraphs the far'S
CORRESPONDENT Of the London Daily
News NJ. varilIa singularly reseIn.
hJes Napoleon; but, notwithstanding
his name and appearance, he does
not own to any Corsican blood 10
speaking Of his plan, N. Narilla told
me- that il had met with an excellent
retention al the ministry Of public
works and that NJ. Yves GuSot y
soon to submit il to the ministerial
council asked whether the sum o.
Ia 900 900 liyres given N the papers
AZ the cost Of the bridge tunnel was
not under the mark, He informed
me- that il MAS d great deal above it.
The estimate Is 100000 Hi ilSres,
but ! , 600. 900 iiyres would certain
IL not bs exceeded In reply 10 are Z
marx that il would be task oteN-
IRENE difficulty 10 make tunnel.
both ends OF which would be sub
merged. and both OF them hall a
mile from the shore, the engineer
stated that the technical difficulties
we're by no means as great as they
might al first appear, NJ. Narilla then
explained that his idea was TO con,
stuct d lift az the extremity Of either
pier by which trains might be- raised or
lowered. How was this 20 b. dons
without letting the water into the
tunnel? The idea was To construct
two square tuues OF iron, about %
feet in height. 500 fer, long, and 4OU
tect vide These tubes would b.
bailt on rats Of special design, and
on a caln day toWed out 70 the end
Of each pier, where they would ~ let
down straight into the sea. Stones
would then b. shot downtown bnrgcs
round the four sides Of the tubes, ~
IA to form breakeWatrrs round them
aud protect them from the action 81
currents aud storms A peac"iullaks
would thus b. formed within the
tubes. Just 50. said, but hon
could d tunnel b. made without has
ing Ii il0oded7 liz this Way, r.
piled Nlr Nurilln. "th, iron tub,
would rest on ted 81 sand having
beneath il an absolute ilupeFyiuu
stratum through which the tunue
would run When Tie ta1c- aud tht
brsnkNnters round thrm arr III 90
sittOn AZ the end ~ DE- piers. hor,
d0Nn us hnmWrring with specially
constructed steam hammers Whe,
the marley rhalk Il reached thrrs wti
~ second mud smaller tubs n
Town into the first leaving .uilirisn
space 70 admit 81 "a wall pt concrete
heiag built between the two. Th
water IN tho artificial lake vii
then be pumped out and The scoop
ing out through the imnerytou
stratum may Recommended down a
the level Of the tunnel. There will u
two great tutes Of loo or lTO lrc
or more in height, hy which train
/ Will he raised aud lowered You
I lifts, ] said, will BE- 81 hitherto "a
known power. Not az nll MI
I the reply. lat the cunnl ~ Foutinpttes
IN the north of France. there ar
elevators which raise total weigh
Of 1000 tons. Aly elevators M
neea to bear only u weight ul nh0u
200 tons The general technical MI
tcnltias IN Whit concerns the piper
will not he great. Tho inrcg III IN
tide and wind would not H. great,
than ut the Forth bridge. The via
ducts between the consta ana III
lifts would reconstructed On tho rur
TIL over system. In regard to the IA
lcnsive question, each country woul
be absolute mistress OF the ytadur
ana the tube nj hcr end Of the tuf
mel One more question: Ilo,
would Great Britinn be able to pr,
tcct herself from INVASION" mNotI
ing ensicr To begin with. shewonl
destroy tie elevator Or flood m
tunnel. II would even b. sullirfan
20 destroy a pHrt Of the ymduet 4
her end. ! gunboat, ora krupp III
commanding the elevator tnbe ronl
effectively block the passage withor
definitely running the tunnel "An
WV.here did you ret your idea, n
NaFlila3 J asked, In thinkin
out 2 plan for the Paris MetrnpoI
tnn railway, was brought to thin
mat mixed systems lent themsely,
best to the solution ofgreat tccbnic,
ana other difficulties. when reflec
ing upon the two opposite systen
LOT 2 canal railway, it occurred I,
me that the bridge systems would i
AWAY with many Of the objections !
tho tmnnnl anLnr.... % H9