New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1864-02-13

munoated directly To- Tho So d. and win damage IL
much If struck by the ha mer less the difference
ing the inertia Of tho iron 10 blr (Which viii :
a. yery small deduction conpar.d TO The blow
OF tho hammer, the weight Of winch viii be -
own actual weight multiplied by tho square Of It's speed
or noon now let the thing be reversed bud let ono
end Of the bar be covered from contact with the ham
ner by piece OF wood other softer substitutes
tban tho OAR ana strise this substance with the han.
mer Can you defaoe inIurc the end OF the bs,y
Not until You have rendered the wood as bard az the b.
Of iron or take still palmer illustration. to show -
| impossbiify OF communicating "fracturinQ foross
through q soft subsistence TO bard one.
A blacksmith makes one end of bar OF Iron hot and
therefore soft he sets this bot soft end on the anvil
and ST ikes the hard cold end with his hammer, IL
result 10 thnt the force Of the blow Is transmittel
through the bar and the soft end is upset enlarged
and q head made on it; while the cold end which 2
brought In direct contact with the hammer. Is Nd
even misshapen or Injured. Now let him reverse IA
operation and set the cold hard end on the anvil sni
strike the Lot soft end with the hanlmer-wjil ~
make o head or IN enlargement on the cold end Mo-
assuredy. no. Why n6ti Because he cannot trans
nit fracturing force through soft substance t.
Now, how does all this apply to an iron.olsd
shipl We will rec. bali On coming in oontsol
with the side Of monitors tlrret, for instsnce-whcS
IL composed Of number OF separate plates Joined u
gether with bolt-eitcr goes through, or Us Is mors
likely is suddenly stopped as to produce very mach
greater shock than necessary ard IL broken to peoeA
The turre aso is injured and though not like the bak
broken 10 pccca 1t Is broken but in place only
How is It brokent The drst p.ato which brougha
IN direct contact with the shot at its full force and
whioh IL hard az the shot Is probably penetrated
and the second plate most likely penetrated too Here
Il shot has stopped but tie damage does not eDd bsra
for the third plate. which was forced inward by the
shot has communicated force TO the fourth plato and
bent that inward too and Every succeeding plata
las been forced inward until the inside plates being 81,
tended y0ni endurance are cracked and burst opens
the bolts arc torn asunder and the whole structure
literally smashed. Why was thsi Simply because IN
pates, being Of equal hardness, were COZ
ductors Of iractnring force just Like the ban
luded to. Now. tlis. in order TO keep the ship
shot-proof must be repaired, and II is serious jcS
repair IT, and great and o. assSs bo 10 rSs%
be backed out" tho old or damaged plates must DO 70
moved. and new ones suhstituted-so that believe
the turret is damaged in. say six places. would b
cheaper to bnd new than 10 repair 1t and worse
than al, it must come home to get help OF to DO ~
paired
some other kind Of armor cannot be proved y
be better. venture TO suggest change. England,
America and France have spent tens o. Millions
have been going do wonders. and which nave had
the most supendous names given 10 tne YET W"at 40
they all come TOT Neither nor less than an uttss
f,ilure Neither country, with oil their expenditures
and resources has produced ship that would be CON-
parativcly safe storm at sea- or tai could no 70 Toe
ION minutes under the guns OF sumter OF short angA
yith, NJ the moral certainty VI boIug sunk.
trust may not be considered presuEiltuous tbes,
when say thai would strike al the root a the diseas4
In monitor would reduce tde aotual weight OF its ar
NOR one-third and render 1t no less shot proof than
now H. and would guarantee that the 1rmor as shoaA
srrlugs should be damaged by TIE action OF sho4
thsR il If " and tat the repairs which must 10 con-
tingcnt anything which Is shot at by cannon oaia
should be- maize at sea, without coming home; and fcr
srm so far below Whist IL costs ~ ~ admit OF ~
CONN, risnr and that the ship shmd hr more seGwOrthS
able 10 remain longer at sea and able 10 carry more
guns All u these important Instter- ere regoateaty
the wtight Of aTmCr, which II, a. no" u-ed tue greA
source vi trouble and tho great cause W aG IRON
which all the otherr spring.
have shown that cannon BAL causes a 500 e. sno
I lfv hat 4 "a Yt.tfs If a
covered with TIMBER. over tie iron aTnor ilS shoca
would to great extent be Destroyed and tai the fes
cannon he'll being prevented ron coming m uie cI coz.
TACT with The iron amor by the timber wnioh WouA
terposc woud not inct that damage on the iron o..
NOR Which II now does. or curse Ills timber uoaA
have g. be practically applied TO the ships side ana !
would II 1 had the chance soon show ROW 70 practt
caly apply 1t. some will suggest that II would De to1
OF by gaLCng s.Ot To prevent Tint, should coyet
the timber outside With thin sheethine of irou which
would eieoty iarn oil shot striking at very ACUTE
angle, and those which were NOT Sltnring and winch
would not b. turned by thin plating. woud come int
the timber and from the very fact vi their coming Int
tho timber would not could not. tear 1t much
Others again will say that my timber would be blown
oil by slo have thought OF that too-and have con.
cuded that i S9ud not be blown OF BIZ -aeD. sheA
-.Ae, Is al ordinary explosive she-las no 1iaboi'
Cal ds9oson OF IT, own. IL Is simply body containing
lnwi,l. which povoeT being isnited. generates gsh
which, 70 get vent bursts the shed. IL Ii were grsd
az iirsi tialer IL wogld DO lo great damage. The
gna nom sc. iiAe any Other gas, VIII escape where
herc j. he greatest opening aua te force VIII be eIerte1
W ore there IS the least rcs tance thai the she'll eTea
II buried ia iaf timber would lariy all blow back by the
La.r it entered a. Sell with mschicICgs dispo
ton Il IT, oWn which would seek 10 find its way b.
bind the timber and bctv cen tho iua plating and ~
ssll timber "a do the most mischief while thsre
was the hole csue h ~ 10 ct Out by, las yet ~ b
Invented.
Tie Whuworh sheu. which Is fat pointed aoa
generally Cylindrical IL chlIeci With powder which
.niiea BY ha heat caused ~ the friction II iron saee
passing through iroa plating; bat IN my system inc
ell would not pass through tho uoa plating. Gnca
IL could make The wood burst The iron OF elsa force tas
wood which would psecede Al into literary hothinx
Neither IL these think would be done. % tie saea
voad not b. q Mt I'll. Now. IS 20 percussion sht.
which Il arranged % burst coming H. cOntacs VITA
anything AL. .Holiaed % thIA II would take svey
nice adjustment 20 make Tie she'd dssf INMATE petwcrs
wood aud irons and this being ssbir, the she HVus
10 very apt bust gt tie nis contact aud OUTSIDE Wv
timber instead OF inside on In word, amer having
looked iLto tho matter and testad IL as much ~ Y
possible Epr any civilian 10 do M.thJus Government ~
si.ance IN, lei q think tla great serious In
Jury would result f.om the action Of she But il mlghl
very easily be tested to resolve II into certainly
which -lhe-bg, II tie only WY by which anything
Ike perfect understanding can bo arrived at "
course. ship 80 protected "ond he more less fun u
holes. aiier s4t. but thai the very reason put
Oh tho slip.
The notion that ship may 70 under fire.. and
20 use an eNptcs sion / have heard, shed shor'
without iniiy and without needing any repairs. 10
abort exploded a cannon bil cannot be Stopped By
suyihug. without Damaging thai Ting. II II Is dam
a-el 4 mast be- rrpirrl. and the damaged tiinbss
could b. much more readily ropaired than ihe damagcA
iron could De- Tho timber outside. sustained b! the oa
aru.t bel.d IT, cannot yiesd With one Simultaneous
crash "a The acton Of the shot AS the present systca
do.s and owir 10 It's iron backing ia iesstlnce -
iuriy iCorcasr at lhe same tnc that receives inc
first force II the shock eud being s0!tsr wa.ol al thAa
iron docs not Hnd c1nRot communicate ne iorve 70 me
iron behind it. In the Nay Lat lion p'a.es III lures
du. ~ br'otC shown. 4
Tn,ine that nv arn6r. vlish T. on the 0nordagt
viii soon be understood and thoroughly aud prectic~J
tested. and that it may prove g. % ~ caiA ' a"
an lfrN