The New York herald., 1864-12-08
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.s iDNeysasass have BE-. pA4' v shi' sias' = =
n psssssss - iro asas q light dsasghs vAis,
sys aIOos oar se.ss, 90 islsss ne = nsossssy e.
1sssrss1 saassns y - rivsD rsaursd shs sssssu
sessace q Gaabosts Eat ths msa thus employed. \
sspsssd, sspscsy We marrow streams wish HsS ssi
yesds1 bapkp Some vessels, and NOS few valuable
s 81 pssssss sos.ssios, % n. ssns nss Ss,s "
eseosn,er these dangers the department. considered
Ssy y Provide ss.ofsd vessels Of lishs 9rsughs tol
suossou q twenty ths monitor prinepp sacl
swo eleven INC inch suns 70 order % b scisas enc
preached oompssson, that tbsir draught of water VI
sis,snncb runs With the nscslusry ~ % T give Them
proper speed, involved the necessity Of snerg
.sns =: ne n.:: ':sy A;%
advisable, updes applications from some o
We commander: q squadrous for boas .ha. should pre-
aspsnss with the turress in ave Of these light draugh
vessels, with view 70 special ocerations The remain
og fifteen ordered be enlarged BY raising their
ascks. thereby giving them additional tonnage and
greater draught and making them more scsnt, but in
being performed and most Of the vessels are
ne s1gsnciss os the times and the necessities Of the
have stimulated the faculties or our coun.
Rymen 10 vast improvements IN vessels, In engines, In
ordnance and prolectiies That 10 some instances they
lakes and failures will In nearly every class
f vessels that have been built and especially those that
ieaud nsoessry while they were being constructed.
paIy two OF the monitor class Of vesssls-the
success, which inventor and builder sanguine,
\ among the experiments that the period and the ext.
Isneies Of tho cosntry have imposed upon the depart
-Four turrstsa vessels have been built In The navy
ysrds Of wood and cased with IRON, differing therein
from the original monitors which arc exciu-
stvey Of iron. One Of them, the Mouadnock,
aew in commission, has performed her trips
giving that this experiment, deviatng In
bestal respects from others, likely to be successful
lAd with two indeendens she speed Of ten
knots Four other similar vessels Of still more ormid
aele and invulneraole character yer are building
lurreted vessels already mentioned are the New Iron
Sides built in 1892 the Roanoke one OF the old frgaes
which has been armored and the Dunderberg, case
mate vessel For this vessel the contractor promised
speed Of fifteen knoss At sea. iN
sftions Tor IRON seagong armored ships, but Congress
having declined to make the necessary appropriations
The vessels recently built, and ~ present constructing
u the navy yards, are Of wood, the smaller class OF
ihem being gunboaS eight Of which Of class
sosr SUD are
Nantucket Of 500 TONS mouniiDg one heavy pivot, With
.. % r. ddoo to s:' ns S,
lc0s and proporslopate armament All Of these vessels
have very considerable steam power and VIII, a. some
fhe immediate wants Of the blockade having been sup.
piled By the vessels built and altered In the navy yards
sg bearing heavy armament the attention Of the depart
nen has been bsstow Cd on larger and more imposing
such would ns not 1S s
And influence OF . nation among the sreal con-
Rsrcsl and maritime Powers Of ..as world are 70
feat extent dcpsndens on - naval ability Limited ap
sspriati0us have already been made BY Congress for
vsses Of this character. Each succeeding year Of this
var has produced from foreign shpyards steamers Of
vsnsive Of this Illicit trade must DO found IN vessels Of
Increased steam power. BY making them Of snocisnt
u laws but to any enemy. OF the vessels on which
sacrifice OF has been made to obtain speed
ksnChed, and the others win sson be ready Two q
these vessels being built by contract and ve In the
I s. s y %
progress OF construction twenty vessels with steam ma
sAlsery y rather ess but Which are 70 be much
SAv. covered gun decks. and VIM carry twenty heavy
ssss rom shells Tie rs@siung ton Of the class q the
Ooutoocook and Mauitou building the navy yards
greater speed AZ all Of them win be provided with
nAs and sails they can bs cruising vessels and used on
foreign stations .-.x x.cux.,v
A. navy has become not only exclusively steam
savy, buss very large one With - enormous consump
And rsp. Of machinery, u becomes matter OF the nrst
sssssqnence that only the best machinery be obtained
tsr H. This problem Is Of very difficult, costly and
sow solution The great maritime countries Of England
and France have not ye, solved H. either 10 the com
uerca marine and at this hour the best authori
Ms do mot agree upon II. SO many conditions enter
is<o the problem that a. prominence 10 given more or
sas 20 other different conclusions are reached
m ., ldent that ss the question Is purely practical
oue II only be answered by extensive experience
asd accurate observations Mindful o. ;hs Importance nee
great upon it's by the war has kept u
Va view aud promoted BY every means the acquisition OF
have been varied with view 10 determine tho relative
development speed proportion to given power ma.
Oh merry has been constructed upon different types aud
systems and the department has encouraged all offers
from crzeus as well as from It's own oilicsrs TO build
ssw machinery and gave promise o. improvsmsnt Inc ne
extensive scale OF every kind their results are IN ils Jog
books from which can be determined their various
Hsers both for general service and for particular appi
10 the new screw gunboats machinery has been used
New York; william Wright, Of Woodruff Beich's
establishment at Hartford Merriek sons OF Pnilade
ph and the Bureau OF steam Engineering Of the depart
rent This was competitive machine cry TO be OF equal
power propong the same hull.
The sv Msrss os
asfhia BY e. N Dckerson and by the Bureau OF steam
Engineering.
mpetye machinery beug placed by the above
parties, and by J. Ericsson
In the rigaes and sloops OF the old navy and 10 some
OF those built during the early part OF the present ad
muisraon, ch.nery was employed designed by mosi
Of the principal establishments OF the country. Ihe
Fulton IRON Works and Morgan IRON Works, OF New York
Aessrs Woodruff Beach, OF Hartford Conn.,; Harrison
Lorug, and tho Atlantic Works, OF Boston: Merrck &
eops, of Phadss pha: the Vulcan Works, Of Baltimore,
and tne Flu eau oi Steam Engineering.
In thees vessels nearly every variety and type OF en-
se OF valve gear OF rate of expansion OF surface con
tenser OF screw propeller and OF boilers, have been
thoroughly tested but the results thus lar show that
The machinery designed by tho Steam Engineering
nurean OF the department has been surpassed,
haps eQuaied, by any OF its competitors, while 10
may cases their results have been greatly below H.
10 Ire ironclads the department has experimental oy
lhe construction OF different classes and Sizes ootn 10
wood and irou propelled by one screw, aud by Two
torsws. working independently OF each Other IN its
most recent constructions OF the Miantonomsh Glass;
vessel designed by the naval constructors and
built al the navy yards with Ericsson tnrrets ana mo
cauery designed by the Bureau u steam Engineering
hgh RITE OF speed, perfect ventilation, impregnaoiy
and the battery OF four nfteen inch guns have
bssn com vessel OF the moderate size OF b6i
tons, ina only twelve feet OF water These vessels
arc free from the disadvantage OF fouling, which &c