The sun. [volume] (New York [N.Y.]) 1833-1916, 1875-11-06
A scheme to DispInce the Water In the sunken
ship with Compressed Air.

Yesterday evening series of Interesting
experiments were performed In the new floating
bath a Chafins Gross Bridge to demonstrate a
Ian pfonn.cd bv MI Dillon OF hingsto~n for
raising the Vanguard. Tho spectators consist ed
of engineers, scientific mon, and some ofhccrs
~ tue board OF Tfaue and the Admiralty Mr..
kenueiey, Chairman OF the LONDON Marine
Salvage Society, was voted INTO the chair, and
the Inventor then proceeded to read n paper
giving the outline Of a scheme for tue PERFORM
"nce II an operation III regard to which there
VIII lie but o1e wish throughout the country,
namely. that II may be successful. Mr.. Apple
garth, Of the Denayrouze DIVINE Company. VINO
mas been in ch rye of the diving operations aI
the wreck ~ the Vanguard, was present, and
# lm his statement the q tptn in which tho ship
J. lying T. tpn great for divers to Roman more
than iiiteen minutes IN ieT water. Any scheme.
therefore. whicn involves the Performance Of
nihcu diving " ark may therefore DO dismissed
a! once as LmPfactira9e. II lss great merit III
Nr bii"hs plan that IL would require the mini
mum vi such difilcul. and dangerous duty.
Bren, stated, the plan proposed is the expul-
sion OF the water from tue Vanguard 10y means
of compressed air, supplemented Uy gas gem
er.ted beneath the water and ~ steam jets, the
expl ined 70 illustrate the principle expert
ments were performed with common air, IN one
c-se with AIR compressed 10 fifteen atm spheres,
but Ia tue majority " Instances oy merely GLOW
lng vi h the mcutn through an India IuOoer
tune into the object 80 DO raised from the bot
tom - 81 ,ss cyllnIers and case, on a table. IL
was demonstrated that small Cylindrical tin
case pierced fIil - holes and with Que end on
cuud TO raised TO tue surface BY forcioly Glow
INK ar into n, anu the same result was obtained
with model tin ship puru osely scutted with q
smal glass cup, aud even with model Of an
open tin boat winch had 20 lift much more than
it, own weight OF attached tubing lie M In
experiment Il the evening was raising a model
SUN hpoIt four feet and a half III length, mad
OF metal, scuttleu, To represent the injury TO
the Naugu ird, aud with open uatchways, when
was sunk m seven feet OF w.ter. Ihis was U IL
nevtl by tuoiug with cylinder containing AIR
compressed to uiteeu atm pspheres. AMI ON tuin-
ing The waive tbe vessel at once came to the sur
race, the gauge showing that the pressure OF air
had diminished tnre9 atmospheres IN the OPERA
ton.
10 keep 4 vessel anoat after ste has been
raised, hr. Dillon proposes To cover her wit a
huge sheet either of waterproof Cloth or even Of
san, luth, the connections between tue cylinder
Of c impress Ell air passing through the ccntrc Of
tuis sheet. Ca niiing the vessel with air sac
would rise rapidly la the middle Of the envelope,
Which would nfst adhere closely from the PRES
sure uf the wafer while coming to the surf lce,
and taen, on tie ship tUppllug over. become
wrapped round her aud keep her III iat. Ex-
peTlmentaly tho thing looncd feasible enough,
the q4ettion being wne .ner, when applied on
the gigantic scaic necessary To RAISE The Van
guard. It would he practicable. The inventor. in
zen well ties. ed boilers oud contain all the
compressed air necessary for oisplacine the 800
tons OF water winch my be taken as at present
niiius the sunken sup. After a vote # thanks
had been y ssed TO AR. Dillon for ms inteTes ing
and strikiug experiments, there was an exit
bltion 81 D~naNrouIc's submarine Lamp Tor ena-
ding divers, vi no nave Hitherto gruped in the
dark, u see what they are about. sunk 70 the
bottom a. the deepest END ~ the bath, II buried
brlhtiy, illuminating a considerable area with
n hgnt capable 81 continuing fOur or five hours.