New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1870-12-09
SHIP RAISING.
LECTURE GY col. GowEY.

Col. GOwcn, an American engineer, employed
for years past ia renewing obStructions in sevns
toqul Harbo read paIcr last q enne. before tie Poly
tee mic Club Of the AIu rciu Institute, the raiuG Of
sunkcu and the buOying Of ships bars Tie
process raising vessels said lac, In tdeway by means
Of and fall Of the TIDE has long been considered
only practical method ~ efectng that end NV svs-
TEN pract!ca application Of the principle therein In
VOWED differing It Only n being alt gcthor indie
pendent Of the tide. In 1851 ! ntrustcd with the
work of raising n L. 6 frlcate Missouri sunk Ave
fat oms d water Ia the Fay Of Gthra tar. fould the
vessel laid ov. broad the lig' and pc'ey
cred with saudi concluded that the only ,feot tai pro-
Cess to be employed was that OF exploding pnl ow Ter
heuoa her Keel P,iItcd cds'-run e. finders, fet IA
cngE IL inches IN d. mt ?, anu " men I'D l.I.Klf,
having three tuns OF screw as, on the point, were
ders were placed Oui side the vcsl in sdch manner
| mat eng driyeG some 30 feet though ihe r,ui
derS having u'eu pa ed in tie required position, were
exp Oled by rictc. IT. This The ve>e,
broken up ana id piece by piece Until tie o1slIot-
| ton was entirely removed.
In year 1886, b. Invitation Of the Russian Minister
at Washington. ! proceeded to Moscow. md, through
! Prince Gorschdhoi had an ! rvlew win the ttaud
Duke Constantine, WHO requested ~ ~ -nent Of Inc
PRACTICAL y at removing the distinctions from -eva
/ topol haTbor The plans subm ted having been a!-
vi four Ks jcr -n.j 10 In TO- chains !TJHgh
| ,naSe ,re vcsie were Tea ne decks o,i,e a.,
eeth,r firmly tnat al the means lad AT my command
isuih len, 10 move them an men "a art. 1wOo,c
docks en constructed, having ii TIM capacity
equal to Ia" OuT small one, plated on the lotion AID
sidee with zuc, AMI divided INTO tx w'te-iieht com
chamber These puurs Is. re worked ~ powerful en-
gincs Proper laci tie were pIONined for ming tne
less than 1000 tan- I raIcY needed 20 suSrn'r,e the
! docks, but admitting wafer into the aftcrcOmpart
meDt to act s count"lpulse, could Win ease IA -
such burdens To llc surface 10y means u the cha.aiiN
VII r. IT "es necessary obtained by tie folOwiD
~ tLOia hilhR cHp"lty q 100 tunS: Inc valves ana
suCe-S aves were opened and water admitted until the
dOchn tubI cIge 10 within lew inches VI tie
IScc oi the wafer. INC waves were Then costd the
chains hauled taHt, tnd the water being refined a.
before IA me attI 9parlmg /, That - til" ior'ei-
partm'nts wa pumped ont Ic verse; wa. c"rIefpnnd'
ngN raj ed aId taken Ia tow together with the docks 10
hOa water until s.c grounded. The operation then
repeated uhlii Inc 'o'k came a"0Ve me surface, when
the vessel Was plnIpcd ont aud eapie II ali rhh sh.
one Oi the sea Get dlcutts encountered was thar Of
- giDg' tie vesse. Upon every uttemp, the cuius
parted slipped, through the vessel when they Ia
tual channel dug under the vessel rOu g IiCh q
rJp "a small lei 1T nd lat the hug Il tug ins
Ldr!oG exposed TO the action OF win and The
docks easily prot cted from Dy subIner gng
This ,.em can eyden.ly Ice applied 20 tie lifting and
floating vessels of ai lt -and-bank,
bars At the mouths of AMI hsrlOrs
ana portr. Dredging although much Zee, rted tO uT he
NoI Dl ~ exp dcIt. 2virg 10 permanent ie.e. 1he
hdTbOIs o.. Ncwlora, hadclpaa, Charleston. savaI-
nan, MOWt, HtN-Or.' an, ana Galveston are al Oh
be hunNed oNel oar j. then of gIett practical in
ty - vessel raced at - oIo wa. tovcd dlstsncc
81 i've Ln"s "hllr ~ eEdcd 10 the H.. tl ck.. The
app rdtdr propose 10 viii consist Oi fOu fOs h.
aOCks, built VI odd 1r fOl, about 100 feet long
hd broad, ami 70 feet dc'I, pointed at tue how ILd
blunt al the stern, ant dSiicd lao Iinc clmpar-
ment- which may ue teI with ater ny tiruugn
valves. and einpued Dy punps Two 81 the noaog doe
aIe fastened s,ru . stem Hi pifBllci win tue
tn Ct.,r Two GocL slma!y c,LL,ctod, al ~ M eut
distance L. admit 81 the - to- Of the adles which
sustain the vessci 10 be- moved. Thc era lies
arc anpy ut iron hOofs. 10 Eet long
pad 10 oe broad. Tue docls prOpc el by scrcws
Grated al the sharp eois IL" -rr o Ia" forN arI ED
act1 On an uhi"risiiug elem ~, She s stern screw
acts a.4in-i "at'f "heh D. p.asiAg 49, s in9or ant
combination - us gi'at iN'reSse 81 Tpcci. WIZ
RAD for tie DO - arr -iHSsrg Il To- toe i,q