The workingman's advocate. [volume] (Chicago [Ill.]) 1864-1877, 1869-02-27
SCIENTIFIC NEWS.


1 IHE Tunnel UNDkk rHE STATS OF DOVER
The prOmO-ers Ut the twin railway fnnnei
sche me for uniting the European Contineat
with the Island ~ Great Britain, ria Strait,
oi Dover. having deemed Il cxpedient % a.
certain the ss iosical character Of the sub.
marine grOun1 required % be traysrsed, II
order 10 determine its probable 6tness fol
the object IN view. have called 10 by the al
vice ot Professor Ramsey, Mr. Henry Beck
ett, I. 6 ,, Professor Of Practical Geology
Y insulting MIuing Engineer. &C., Of VOL
Veroampton; who ba- just made his report
and It wi 0e Land before the French Commis.
son, BY whom the pr,j ct will have 70 b.
Considered Pro essOr Beck-tt, after ex-
pressing his belief that the impression which
has long prevailed amOag the scientific men
20 the fleet that Fr.nee and Great Britian
were once vIsibly conRectsd, r-sts upon well
ground-d bases, sAy s:-"On the whole. af.
ter carefully cJnsiiering the subject "a all
it, bearings, | do not hesitate 10 express nv
IN cJnvIcti0n q the ieas bilIty and desi ra.
bait, Oi the projected tunne design. which
| heartily recon- mend to be promptly carried
ouI BY The iwo leading Governments Of the
earth and devOutly trust blessing from
on high vii attend the combined undertak-
ing"
IHE PRoPOsED TUNNEL CONNECTION BE-
TWEEN LIvERPO0L AND BIRKExHEAD.-Sir C
Fox, Oi LOndOn, On Monday addressed a uu-
merous and influential meeting at the Cot
ton Sal 'm, Liverpool, 10 support of the
Mersey Railway, BY which IL is proposed 20
connect, through tunnel b. cath tha Mer-
seys tbs towns of Liverpool and Birk euhrad
and the leading line " railway on both sides
of the river. lt IL estimated that the "bead-
ing," which will be the first work (as it wi n
be Necessary 20 drain the tunnel, and viii
be afterwards available for water-piuss.
telegraph, and other pupose d will not *
coed $1,000; and that the whole cost u
The undertaking. including a double line of
railway anu rolling stock, will not be up-
wards OF E460, 600. Sir Charles Fox ex-
planned that the engineering difficulties were
very trihing compared with those which
marked the cC nstruction of the Thames tun-
mel, and which continually were encounter
aa@ ~ sngaassfs,~ip ssssissi shaft sinklug
A resolution at'prpving VI the scheme Was
Iaos RafL-AAzTse Ar Bi1sfos.-.on Tues
day last p4rty We grnuem % visited ibe
Pt0osx Works, MiIi-ids, Bllston (Cla
ridge, NoTth q Co., and witnessed the pro
cess Of casting the second Of pair Of leyia-
than rolls ~ rolling the IHcre tsed size If AT
mour plates at Sir John Browns works,
Sh, ,ffield. Hitherto roll of ten tons 10
weight has been deemed Irudigious. The
largest plate mil 10 America cannot boast
roll Ot mUre Than eleven tons. Some idea
then, 0f ubr pair Uf rolls nov being produced
at the PnGnix F1uLdry may be cleaned
from the fact that IN the extreme length
they are l5ft Gin Ia diameter 3fI.. and ID
weight 10 tons, or 30 tons the pair The
UTocess Of casting the roll Oh Tuesday occu-
pied four furnaces, each cOnnecaed by a
channel Ia -aud AT one time three rivers
Of nre were bounding u mIBgie their trbu-
Tory streams into one vast channel ID the di-
rection or the monster mould Ia whicn the
msss of IRON Sas t. shape Itself aud cool.
This mould l1ft. deep, was at 3S full 10
the brIm, and the work was successfully
completed amidst a loud and general "Har
rah " from tie ANXIOUS and excited
throng of workpvOple wnO had crowded 10
see the 'iiuisb" ~ roll-casting, unequalled
for dimension "a the world
PsKsERvArIoS OF WooD.-Mauy attempts
have been made 10 increase the durability Oi
wood BY the njcctIoa Of certain solutions,
especially that Of sulphAte Ut copper Vn
this subject the Acadamy OF Sci-nces has
received an interesting paper BY NJ Mao
rice Boucherie. He sia-es that, when prop
erly, effected, the Injection of the above
mentioned solution y always beneficial and
thai the best way to perform t Is by dis
placing the sap and then letting Jhe wood
dry IN the air. To prove this assertion, III.
B1ucherie sent in With bis paper few san
plss OF railway sIeepers laid down 10 lS4
alter being prepared 10 the way mentioned
They had been taken up but a short time
ago and in an excellent state Of preserve
non. They were found TO be harder 10 sa :
than any common dry wood their resist
ance was equal to that Of green wood, and
their elasticity had been preserved unin-
paired
PRESERVING MILK A. NJ. Kirchofer, Of
Paris, has discovered q method Of presery-
ing milk. He takes pure milk, pours IL int,
bottle ~hich ne closes hermetically, ans
then treats the exterior or the bottle by Al
operation, which is secret. IL 10 said tha
the milk thus dealt with keeps live liqueur
cold heat, or movement, exercise no inhl
ence upon il, and when drank it has to-
taste as il il were quite fresh.