, 1864-02-17
THE GREAT GUN OF, THE AGE.
Casting of the 2e-inch Rodinan Gun
atFort Fit FouHdry, Pittsburg.
Am EkSICAN AUTRLLEKISTSI IN AD-
VANCE OF ME WOKLN.
f1trom the Philadelplia Press, Feb. 1a.l


ALI A2teTAM a "a AZ .,ss54s XTH1in ~ AL"
w
-.
lr1o'' tue Fnuaae'psla <tese' roo' 'o'l
TEE dRKATEsr GUN IN chh1s1GSpoa. :
The 2O-inch Rodman gun was cast at tbs
Fort Pitt foundry, Pittshurg, on Thursday
noon. This immense gun, which was first
suggested BY Major Rod1nan In bis report On
Z Lue tf1a1 ol tas A5st .io-lnc4 s1u, nas !ong
ncen matter ol toeory. tIepafa1lons .,G,1 aor
its manufacture were oegun IN Mary, lo05,
and we're conLnued from LING 70 umc @ Inc
cxtgcnctes OF the serr1co pcrmlfted- In Or
DIR, however, to or1nE fnteliigeace TO pear
upon the castiug Of this great gun. It will be
advisable to understand something Of the &C.
to which 1t 1B indebted Tor Its pcr-
fectlcn.
TIE MODEL OF TIE N-1KCH GUN.
Tie model of thc o0.fnch is proiection of
4he f1rst 15-fnch e1,n. The lenvff, Of the
~ouch rasf;nr is 96 fcct its n,ar;f1,nn, iiiam-
fer IL ,nc1,ess ana its weIrht 180. 05) rounds
;rIe 1anoth ~ tIr f1nished ann viii hc n1 feet
: ;nn1,as. ia nasvimnnn dfnmetnr ri snc4,es.
or;1 ia ,se;cl,f 115 mn T,ouni3s The i1;amctnr
~ ~ ront@t, cost1nr II the rnnvzla T-11I he
ta,r ~ teat s3,d Tint G5 tho finished trnu At tx
n,nyz1e 3 ;nrhes Thc whnlo leni,th of tic
hr.a is ss1f, inc,,oe
Do40 . "c 11a.- 1 ~ arr, -. n1xo
nr,. nUM o.a, ~ ~ 1,,...., ~n-n ~ Auno
I've gua VII oe nau; " M1nivas nHs E,assu
over shs ccht1e q E9asll}, 1H1 A4o"tus no
nas d,a 1'a u.; n.s pna, ntoue W EGaS. ;ha;.
t".n;unis,;nG n eer,ise ,nneb esa;er 1Isna ,hor
when a Great preno1,derunce il at the i,reech.
1up nomn.
aon.,e,s ~ = a.s,. 1890 =, ,,u,.,.,a, ,,,,,
conhtste ~ a+ash Alnaot IL luut E!esss, eut'
~ una sla'Ipeo uIMnS ossLnGI} eau VI .ne
s.nu n,Su ~ ~, aau Mn.sa .oins ~
t..s.t 49, y. t'.s Su ~. sa ny uasA "rsns
Is ts aau 9easn lug eauo i a TT nc tnua.3 -
1attcrn - oy tne cE,ct N s;zn % 81 ~ rnn",, cast.
H." nna tI,en rafnn,fnfT tho sand hsfWenn 1hc
pattern and the flaek.. The pattern is then
withdrawn, the mould is stelicked" or
coating made Of ground coal. The mould is
then placed in an oven, and baked until It is
of the Eize Of an ordinary soft red brick. Onn
OF the finest specimens Of hard labor and
good workmanship that we have ever wit
messed IL that presented by this immense
mass Of eand, which, in the case Of the 20
inch, was rammed, finished up, blaeked, and
paeed u M .n9 aeS oyen a a men; l6 amcn,y ity
nea1s oa s,a4a.,oa T,-ir fnTeti;a- - .a5 "a
nv ~ git 1,,aIa reSsas. as IT, ~
ssl.:ce ,.:e - ~, iaau1 ekts KY lgs 10 Fe e.
tne ~ ana tbo rc1tr Ina ~ tte or;T IL nar. ~
t,e,d;n,,,1nr Ae A1tA9 - NV 5"N ~ t'e1
pene'ea'''' rur mr. ,rsr,Y
e,,o -. ,,>,,,, -sa.,-a, . t,,a 8. +,s,,...
INC plt Whlca receives 1ae MASK Is twenty
eight and h1H ieet aecp, and fourteen incnes
n onmetcr: ,,3 insiael II, near the ootLom, sTea1
oafs fnoaa,e IKE NE spokss o. Mhee1. On-
oefneath Hscse 1nes, on me ontsioe; coMmu.
nicate dfanght; Anotner nae, leading iTom
NC TOP at ing plt, carries OH nc smoke. Ipe
OBJECT O. ooth INC aucs aod thc bars Is Isl to
maant9 stnE ID ehd ns ~ masa. LUIS
~ 10 stinn rrnns
rur corz
,o,, .o,,,,.; 49,. .ro, r...a ,.~.a.
Is tonE, nn1o", Saseou, nusea st1, oattt. r r.
nunE eIcas PsS n,tas ~ ~ etnstS u III .ne
cn;t ~ +b1ccciabfhs t1ch rot,e c1ose1x WIN. -
t,ed r1i and = I11e n 1enof1,. a1i scroniv wiff,
int;no u n I'm t1or IT. u nj n ~ ssn..
roa ~ IRON he ~ ~, om NJ he @
en- en- IRON M Of he gua Tie rope Is tH used to
~ ~, ,o,,rh v~ ~. .aSat t. sl;,,
pin% nE Thc \ sT3,ores aiIow ~ TX * pas fmnInfy =
hydlogen,) h formed by tbs contact Of tls
-. .I......e .s,,J s,4. - ~ -tsos'{ Is hHr.,5