, 1865-07-13
Interesting Experiments In Er.land
a New Enterprise.

PNEUMATTC RAILWAYS.
Interesting Experiment. In Er.land-
"A New Entetpr1se-
fFlom the n. 7. Evening past.l
The ce Instruction Of pneumatic railways Is
is confidently be1leytd that they hare been
rendered ftasible by the new plans which
hare been adopted tor their construction. It
Is low in contemplation to lay cue FROM
Whitehall, IN London, to the Waterloo Sta
tion Of the London ard Southwestern Rail-.
way, Which viii involve the necessity OF
crossing the Thames By tunnel This i'm
pediment, ills believed, will be surmounted.
Some gears ago there Was great excite
1nent In rrgarI to atmosphere 1R.lroads, aud
twas anticipated that 1onotiycs would be
Er9p.3nted by the. new system of traction.
Bat the experiment dii not l1e.t e1pecta-
tor, exrept In = scirut'tic point Of view. n
spite OF liberal expenditures, indzfatIsabls
perseverance, and all solta Of improvements,
the result YVES faifuse.-Even uoE. aircc the
knh1ect' has been revived, the Idea Of en-
ploytpg any ply s1cal agent like atmospheric
prtssure as moving power, is considered to
20 seanetlse dream, incapable Of practical
=, DIFFICULTIES. -
The difficulties. In the war Of obtaining 8
Vacuum seem to increase more rapIdly in 20
portion as the air b. co mes more fa.Iisd. It
Is easy enough TO- create VACUUM, In the ex-
periments, but tho required proportion Of
machinery, the heavy expenses, Sc, become
great obstacles when 1t fa attempted to pro-
ca,ion to useful purpose. Heuce, bott in
England AID In France, the proiec. Of otmos-
phetic railway has been discarded al impzac-
ticab1e.
a PNEUMATIC DISPATCH.
(. But the ldea Of applying atmospheric pres
sure to other USES was not given up alto
gether. A pneumatic dispatch has been estab-
nsbed, which Transmits letters and small
packages and an engineer named R1mmel
shall be applicable to the carrying Of met-
cEaud1se, and even Of passengers.
An apparatus has been constructed. cx-
tending between the railread station at Eus-
ton and tho Evcrsholt Post Offl:e. . distance
Q. about third Of q mile, by mems of which
I the Other III C. moment. Ne1r the. platform
OF the station Is little oht.Btovfed building,
having chimney. HeEc'the dispatches arc
received. 4 little tunnel tegIns here, aechsd
above and fiat at tie bottom, having palr
Of rails on one side. The whole Of these are
csst toge' her, Tue rails run along on plat
form even with tho surface, and pas into
another corresponding tunnel.
This latter tunnel Is simple passage where
the vehicles stop, comtng from the office at
EFersnclt. At the middle Of the platform,
ne1Wetn .1he openings of the two tunnels
these wagons a1e prop ;llcl along tho rails.
ITO ~, TaSons ars boxes IN nc f9Im q 2 era.
DIE, fhc!r e4ferter hefng shaped TO 1t the In
eide Of the tunnel through which thsy hare
to 60. There Il little space between their
walls and those OF the tubes. -.
There arc three curves OF the track, TITO
at each stat:ons at Euston and one at the
pest cftice. They are 1eqn red by the Vo-
sstion ci Tie Two Ionts. aud snoT how.
d'ficnlttes existing N the large cities can be
surmountad, and that changes cam b. made
IN 1he 5outes to Whatever direction maybe
desired.
At the Ey.rsholt pest oflico il another
structure, aud little gub.erranean opening
at the place where The tunnel enters. also ths
two rails which run On little platform, etc.
The propulsion Ia effec' cd BY mems of the
t'put unlGtic electors" this sets the air In
motion, By means Of Which tue wagons come
fcm Euston through the tonnel driven By a
current from behind, and are nude to 70
firm, the rest office nt E1ersholt By tie
aycLcy Of q Partial vacuum.
r,,v psrn,,,r,c ,.,,r.r:
,.
~ 1s how pfoposea 70 apply ths samo prin-
e'pls 70 .ae paeunhIc H. l;.! faM"aI Waieh 10 70
waterloo IatIway stasl9n - Whitehall; TIE
A9nuoa -o!o'HsnV ~ gives tae Psruculafs.
| 1no ufst unociiahlne feluifeo loE tno ~otk.
Is INC CONSTRUCTION OF tunnel across tue
fiSef. ftess. aav'ne laell Io1noauon several
iGct ot!oW the bottom, VIA bs onllt US iol.
!ows; Inlee Non cal1sons VAL he lowered
INTO me bed OF the rt7er. Ihe bott om.enrth,
Which Is c1rcumscfabed W1thin them, WILL be
excaVattd and removed ti1 tue required
dgptl. for foundations shall hare been attain
a., Inc piers VIII oe ou1lt Up inside nc
Ss,.sons 70 tns aeghs q IT, fsw ret ne,oT nc
esiesons " viii IT then ee .asen 81 a}tef sse " With M
the earth A:olnd ths p!ncs VIII Be dfedsed
river, extending from bank to bank. Thts
trench u the ro1te Of ths proposed railwhy.
iae luoes Hlll PC ,oWeEcu 1n iouF nela'a!c
seG'lons. 1eiIg nollGa, #alsots WI @ os r.
'n.ir tnds VIII ~ so'aetsd together IN a9 il-
gtnfous manntr, and clamps employed to
keep then N place ~ they eau ne coVeftd
Win thlck layer Q, concrete. Ihs wnole
tnblpS Wlil rest On 11e tops o. Inc p!trs, aod
re noIon o. the tue VIII nc sut,clens 70
ftSI.
me lntefnai a'ameter OF TINS tnpe VIII bo
@ a~SIte lse!, $40 % us area a?ous n one nn1deeu e
nnd thfitegn eqnate ieet. me external az,
ametes VIII DC sixteen ana a.4usFtef ieet. aoa
its area aoto1 ene an1a ana esaty.n.ee
Ia,1 md nsrmarcnt xav vii bs sbnnt tiftecn
In. ,~r tines1 yaTd. Each r1ccr NJ tnha vii
w. tx hnnTit ID ani fnriv III ionr- mHkinf-
ia a"ri.1atc veitrnt ,:SeIy,. innd19d tnns
md The Wcieht of the whols fous PIECES
~ @1nn,isinr tte t,nne, fortF.ctShs hnn,lscd
tonsl W. '$' '''' ~
T. will 1,e necessary a,so In nass the tubsa
unfier tlte enl,,nlmen of III. Thxm,;s 1he
SietiooolisaI IailEay. and sub-gays which
are to he ccpetlucted under thc en- .ank1aout.
Tho portion Of the ltne between whitehall
ard The rlver front will bp built in brick
work a1l also that on the Surrey side,
winch will te carried nuder College street
ann a1 ,ts,h Hh'sn ,,3 IL .ao matetoo ssa.
Night q steps.
IN the pneun at1c railway The caH.ogc Is
to Layel- through the tube. ln tic old at