The New York herald., 1862-04-23


ton Womay rest assured that the Merrimac aud Moi
tor viii cost the world many millions. BY the way
what will become Of the old naval songs ani The hters
ture OF Cooper, Chamier and Marryattf
TRIAL TRIP or A NEW FRIGArE.
paris (April 81 correspondence Of London Timsa.l
letter from LOrent the sd INST says that tbe tr
trip Of the ironplated frgse Couronne has been eni
neny successful She is by Tar the most perfect trgate
OF that Class yet built France She goes through tue
water as well under sail by steam, and she answers
her helm admirably.
ITALIAN NAVAL ENGINEERS ON A SCIENTIFIC TOUR.
lotter from Turin announces that the Minister oil
England and America TO examine and compare the sys
TENS adopted those different the construc
ton OF ironcas vessels and floating batteries.
IRON oUPOLA TOWERS IN ENGLAND FOR AMERICA.
tFrom the London Army aud Navy Gazette. April g. ]
In the autumn Of last year the federal Omitted States)
government sent order TO this country for the 0on
structioa Of four iron towers similar 20 that
board tbs Monitor The commission accepted, aud
would have been faithfully executed IL ths Trent affair
had and SO shipment OF ali war
like stOcs and among them these particular castles The
contractor "a Sa1died with the produce OF his labor
Ia the meantime the Americans supplied themselves
on thc spot and now contempatss offering them 20
tho Emperor Of the Fronch AZ on this aide OF the water
provided with Coles cupoias which weigh only
seventy TO Ericsson's two hundred toas. No
little ntdsrencs in weight for a ship 70 carry
TILE HUGS CONGREGATIONS OF Ausrala ssNasrEn
USE.Ess.
fPesth (Aprit q correspondence Of London I"stl
For sono time past tho activity OF the Austrian gov
strucon OF fortresses along the coasts Of Danst Is
tia and Vence 10 render the landing OF troops
not absolutely imp essiblo at least extremely difficult
Experiments have boon mado with Illuminating md ordi
nary powder TO find objective OF sinking vessels
which should approach the Venetian Croato ungar
coasts Tie expenditure for the navy becomes constant
iy heavier Italy has respectable fleet, and Therefore
Austria must have one. government organ recently
stated with air Of satisfaction the number Of vessels
and that can be brought TO oppose any attempt at
landing. The coasts are stated TO be unapproacbsb!e,
owing to the foxtincations and batteries erected all
impor tant points; and then there four
risates, including tho Novara and total OF 800 gans
IN the Adratic. The mercantile marine amounts to
$50 900 tons aud would be able to lend important aid TO
the government Tho Emperor and the Archdukes have
returned from their tours OF inspection. with tho
that nshng had been neglected tOhich c0id render
ne coast mpc9rdNs tH az the re'y moment ,ohentte Ee
pcror satisfied ufth the means IF dncc t Of
the )eas Of The Meinoc and MppOr b1be al hi
defensive combinations. Plated steamers the
great desderatum but TO have them money required
and 81 Piener finds that commodity difficult TO obtain
Italy has plated rgaes and aeesn ioate
Her merchant vesses amount TO $50 900 TONS and may
at any moment be used as Transports Austria has
deemed IL expedient to protect her coasts with bomb
proof Notifications but tho introduction Of plated
steamers has rendered almost Set.s; hs toors
along The shores Of he Adr,ottc.
COMMANDER COwpER COLES, aOY1L NAVY. CLAIMS
TIKI INVENTION OY THE MONITOR.
In your impression OF TO day extract from tho
NEW YORK HERALD giving ths dimensions Of the Monitor
now have that paper before me, giving Illustration
Of that vessel and also the drawing OF vessel proposed
exactly similar in construction to il that think IL
bent to incloss you the drawings, with dsscrp-
tion, aud tho following facts.
1t will be seen that my first vessel, proposed
above stated in 1856, ON the principle the
Monitor, having q double bottom, light drsught OF
water, with power Of giving an increased immec.
sion when under FIRE; sharp At both ends; formi-
dabe PROV; her rudder and screw protected (a most
lump mpor.an. pois.l BY pr protection Of iron; the
instead OF cylindrical, and was not on trntsbie she
being designed for the purpose OF attacking stationary
forts In the Baltic and Black Seas, whom part would
have admitted OF sufficient training from vessel il
so turning with great rapdty and that the expoase
and complication Of tho turntabe became unnecessary
(Sse report sent from Black Sea- 1856 and The 7s1sss
November 90 1869 rough model, nado by the car,
penter OF the Srombo is 10 be in tho United Ser.
vice Institution In consequence Of this report wa
ordered homo from the Black Sea the year with
my plans and models which had the honor OF showing
to Sir %. Walker and Mr.. Watts but soon found how
ani how hopeless was to try and introduce Into the
navy novel invention, the offspring OF practical obssr
yations actual warfare. and it that and many
others doomed 10 witness hundreds OF guns
and thousands the finest that rod deck
rendered in the attack OF encniy's Fortress
IL was from ths painful experience gained on this
zion that was first induced TO devise something that
would enable 10 carry guns ths shoa waters
of the Baltic or Black Sea- so a. to get near ths forts
with some prospect OF our ire being elective.
Finding how dithcut il was 10 meet the objections
made To my plans, consulted Mr.. Brunei who, after
thoroughly entering into the matter assured me that
had hit on the right thing aud generously added that he
hsd himself bean devsiDg vessel tor the purpose,
That superior TO his he should
think Of it. He did more than thistle assised
IN my calculations, aud gave me the aid OF his
dra aghtsnen. When asked him what indebted 10
him Tor This he said Nothng, for he had the greatest
pleasure ia helping naval officer who try ing 10
bsneAt his country. shall always remember his gsner.
condct ss well a. his parting words, $50 on. perso
we're, and you will succeed Z" They have indeed often
cheered undcr the greatest dlscouragements.
have p-rseyered and succeeded 50 far, bat aas for
what 10 han. NE deep noTceton Of IiTaonglhs Apcri
ca, tnaod N Ena,S Shosa hare the rai's IF aoa,ng
IA IN nj.
tO the boDit.
Ia March, 1859 / ssan forwarded drawings OF tho
Mold ltcd with turntables appropriated 10 !arger yes-
scls aud also plans 10 the War Office forts the
Hm~ sssia spoke well OF the Invention icr coasi
Being at Portsmouth about tins time, 1 showed my
plans 10 Admiral George Grey, who was strGc,, with
their feasibility that he gave me every assisjarcs.
and Kindly took all early opportunity OF laying
hem before the lainented Prncs Consoli \
summons to Osborne tn" result ebai evor
bear grateful remembrance The Kindness and cJnsido-
ration with which tbs Prince thri aud 1--WE other uc-
cas!ons when had the hoaor oi being permitted an In
crview encouraged me TO enter uto the nnuiest details
cpnaecsed with my inventions, and the very dcap in
erest bo expressed IN them, and, indeed in everything
which ned ths VOL oeng and Advancement os
navy Tho Princes advice, 900, was of the greatest
benefit 20 me for ne had previously turned his attention
40 the same subject, nnd greaty surprised MY
interview md that he thoroughly conversfHt
with all The mechanics! details involved n the execution
Vl my plau.
from this moment leit some confidence, for knew
that my invention had gained friend, and any bsoeht
which the country may eventually derive from IL may 90
greatly due its having been first brought ndor lhc
notice of oar insripus and lansnted Prince.
think IL Will De apparent from what has been said
aud from a comparison VI the two drawings hg' ths
ue,itio, Of Esiish or9,n AMI clda has country.
do the strong. after captain hricssons letter
The Tes of odsy But AT the latter end Oi the
year hai the further mOrthcatcn of reading those
sad tuinss from china the defeat OF gunbUds by
barbarians, when many brave Engshman was lost 10
his cJlntry How diilercnt would u have been Lad
taken advantage OF the lesson taght 10 the Cfmea
ard, sciug upon The report of the commttfei had
buit and only TWO such RATS in pieces TO China
oording 10 the plan proposed by me for the Baltic and
Black Seas The forts would have been taken without
the loss of man, and the millions OF money wasted
through defeat saved.
Two great lessons have been passed uuheeled let us
hope that we may beueht bv he third, and that what
mas Just taken place IN America may prove To our govern
meat the necessity OF lssng prompt meas ares that may
save us rom future disasters.
nsvs only 10 add what now propose doing to this
OF vessel. coDsicer that the defence OF this
Try only depend upon the offensive powers II
hes sesgong heet blt At the same time rivers ost
aries dockyards and commercial towns must have the
powers VI local defence and OF expanding, by mprovso
means, that defence n time II Is must be
ne m 10 and L has nv The Monitor.