The New York herald., 1862-04-23

nsvig OF shallow by vessels with heavy ar
ava 'onnsnder Cowper Coles, OF the Strom-
good service at has models OF tws
ingenious raits which have been tho Admiralty
an which are highly approved by admirais out here
Rats OF this construction would do immense service in
the sea OF Aze and model provides for adspta
t'on or steam power, which would give the mode
rate propalsivc agency OF is own.
fExtract from Report OF Committee Commander Cow
per Coles Rats November i3, 1855.
President, Rear Admiral Sir II. Stewart X @. B. Cap
tam Arthur Cumming. r. N. Captain h. A ingleAed
MT Rumble, Chief Engineer, her Majestys ship Royal
Hannibal.
We aro of opinion that this invention is OF the
greatest practical value. IL appears by the model
tommanier Cowper Coles produced tina. the raft com
bnes many advantages, among which are-l. Light
ora9ght u water Facility OF propulsion. 8 Sim
picy ana rapdity OF construction l. Great buoysncy
one heavy gun or mortar can be used each with great
precision OF hre. 8. Protection TO the crew.
Looking TO tho probable nature OF future operations
against our present enemy further opinion thai
this proposal merits tho immediate attention Of her
hly sty's government. snr N.fEUs
CAPTAIN G. C0LKs' NEW PROPOSITIONS
LONDON rMrs
SKsince my last letter, having read the debates Of
invention and proposal for coast defence lead hope
you will give me space for the few following lines and
allow me first. through your columns express my sim
csrs thanks to those eentiemen who 30 kindly made
Inant ion OF my humble efforts.
From several lctors received this morning. those
marks ia the House appear have the idea %
The public that my vessels cannot have ass be
going ships b allow to say that Of the grest
TO going ycsscis and as wish 10 be most expiic
upon this point will repeat what undertake ~ do
shouid4 only be allowed the opportunity.
propose 70 build two dis classes Of vessels ono u
replace wooden rrgates and liners for going
poses and the other a totally different and smaller yes
sci Tor steamer raft) for coast and local defence.
have already stated what would do with our useless
three decksrs-how propose TO build aud organize
coast iiotlla OF steamer RATS t9r
wish 70 state further what wrote in a ettor last
October 10 the Admiraltyyiz that will undertake 70
prove thai my principle vessel shall be built nearly
one hundred lect shorter than the warrior aud in ali
respects equa' TO her, with exception h0 tu 0ssar
a'ee to d ote and cops her in hour she shall
ar fei less fore require only half Ne ce,o and cost the
country for basdng AT least LOO 900 less ready
to fall or stand on those assertions. ......,
must again say that my comparisons with tina War
ror are merely maie TO develop tho progress OF
enFine in warfare but that and eyery Fngshman must
be proud OF the Warrior as the first born babe OF IRON
clad family.
Tho ship which drawings are made Of and about 10 bs
bnt by the government Will have pros sion for Inasts
bat will not have them shipped unless necessary to send
her abroad: she is designed expressly Tor channel
vica and although she ID on my princplo 1t is bu. just
TO say the designs made by the Com Oler and his
department aad have no hesitation in saying that
when launched she will be formidable and econ 0micaI
vessel that there will enough for all concerned
No CrAREScx PARADE, SournsgA April, 2, 1882.
LETTERS FROM M. BLAkELY-uIs PLAN FOR HARs Oh
DEFESCEs AGAINST IRON vEssHLs.
TO rHk kDroR or THE IoSpos TIMES
shall feel greatly Obliged IL you will permit me "a
contradict tho Times the statement of several American
aud French newspapers that the Nashville carried out
from Southampton the cannon which the Merrimao had
on board during the late engagement. Captain Pegam,
VINO commanded the Nashville refused 70 receive o.
BOARD even few dozen pistols sent TO him pre-
sent to bis government scrupuous he In his de-
termination 10 respect the neutrality OF England
hospitality. so far as the latter went. = g. -
lie did take out two Bakely guns, but they ths
same he had brought from America the so armament
II may interest your readers to know that the Merri.
mao carried seven and half inch rided cannon, which
throw bolts weighing l20 pounds charge OF powdsf
being twenty pounds The guns Of the Monitor were
eleven inches in diameter but threw round shot weigh
ing ls0 pounds, and the powder charge only twelve
pounds An ordinary sixty eight FOUNDER would have
done twice the damage short range Indeed even ts
Merrimacs guns seem 70 have done havm to tha Mo-
ntor although the same shot pierced both sidss Of
Congress and Cumberland venture to think, there
fore, that the advocates Of 300pounders In error in
spposng that guns OF that size inure plated
vessel
To defend harbor against q Msrrimac or Monitor I
soud myself like either steam RAM carrying
non aud no mass or else lighter and faster ship,
ryng only or two guns whose shot could crush 10
the side Of any armor plated ship aHoat.
cannot believe any shot OF less than seven hundred
pounds snd that to be fred with eighty pounds
of gunpowder) can do this. II right then ship
armed with one hundred Founders would be match for
four exactly similar ships carrying three hundred pound
all only using their guns The calculation is simple
The ship can carry three times many one hundred
FOUNDERS three hundred pounders she Are each
hundred FOUNDER and each one hundred pouader has
forty per cent more chance OF entering port hole than
three hundred FOUNDER making advantage of twelve
10 one in favor Of hundred Founders On the other
hand, we may admit tina, a three hundred pound shot
would Kill man three times as enectualy as hun
dr. ed FOUNDER
As Sir William Armstrong is not likely to produce .
seven hundred pouuder for some time-the movable
breach piece would weigh one thousand p0unds-Engand
has no choice that but to provide herself with
steam rams, or make arrangements TO ransom her
ports 4. A. Bf,AKIY.
Psi do all wish underrate the Warrior and
her class, or CAPTAIN Coles ships as engines Of offence
merely say that similar ships will lombard towns In
total disregard OF their presence
TAX iRoN-PLArED NAVY OF NAPOLEON rs
THOUGHT OF WOODEN WAR SHIPS.
from Ga aignanis Messenger, Aprii4
The Fonpaed frisate nvincibe has arrived at TouoD,
Saving board Prince Oscar OF Sweden travelling under
the OF Count Roscndshl Tue Prince Is
some days at fonon in order 10 visit ths maritime
tabiishmcns.
Prom Csgnaui's Messenger, April ST.
Prince Oscar, OF sweden the day after his arrival at
rouon VISITED the naval barracks OF the arsenal at MOu
rlon the imperial yacht Agie. and the military port,
all the details OF winch he inspected with great mnute-
ress On the following morning he was 10 go on hoard
the Vile de Paris line OF battle ship ard proceed her 10
the l-les Hyeres The object in selecting hat vessel
ays the Sadpiofe "is that the Prince shall have
opportunity o scepg the three nes specimens Of French
laval architecture FIRST, the iron cased frgats lnvin
cibe, which brought his Royal Hghness from Nice
ionon next. the Vile de Paris magnificent specimen
pi an old vessel Transformed inio aud lastly
the Iles dHyeres, the ADMIRAL ship la Brctagne, hch
month back one of the most powerful machines OF
tab~r ressis thogh, something Of, aud
VII ch not the less splendid line Of battle
alp
THE IRoS- -AaMoRED FLEETS OF TaE CONTINENT.
Vienna (lsrcn l9j correspondence OF London Times.
The Austrian fleet its progress and prospects, havo
lately beeu the srb ect OF considerable discussion in
papers aud pamphlets. From sono OF these II appears
that at the commencement Of tho present year 1t mum
bsred .6S guns and included four frigates with
the NOyara which Is to be fitted with screw and that
he Austrian csl navy consisted Of $4,000 tons
of shipping.
On the other hand, and on the Austrian auihor
", the Italian navy numbers 400 guns, with eleven
iiEatcs has PLATED rig1tes building, aud
ta hOugh this sad to be- rather ovcrstaed) 700 00u
tons Of merchant vessels. The opinion finds favor with
many that Austria would 90 better 90 rely ort
ncstons and bateres-far less costly than ron-patc
frigatesthsn 20 expend enormous sums in getting up
navy which viii find IL extremely difficult. IL no:
impossible, TO maintain a footing enabling 1t to cope
with that OF Italy.
OPINIONS OF THE BRITISH PRESS
IRON the London Times, Arr al
Nobody pretends say that thu Monitor aud Merruac