New-York tribune., 1842-01-01

although ths inventor wa, Piooa.is
i, had ever been suggested hsiole
feeding the boiler WIN sast "e'.'
be abandoned and IL " a. - -
place with tresh ".'c' '''
carry 'he s,s""'' a. .,,,,,.;a,
into co'"e'>'' - sss.I",..[
hundred tuots "'' l'',s,zs, -
cold water ana if'y -e'''t' q, s''''' =" ~ as'
into these '"oc7 ~ ,' - - ''1's
by HSinS VAN coo a. ot'n,''5s Gun
dea>e'- o's'S N' " e.t' P's's
hi' was = N 0o,'Ne"S's'
tor 1t was Fea.ls ITen'e" I, ans a. . S,i!
Sa''s P'toS' '' ecu :" - e..
nov, =. oe'.'.'..,
'"e' 10 :,
f
30. -,
- ,.Nl.s.,. - .,,@cI;,,jo- -
-,
49,; II. ~.
CIV o,'''e' = l:ii TT
20" = ~ ~ ''i-
struc'ioH thcn' oi 'h., sea''' ! 'A ~ "!',e
quencc than its ti'eb4 oes'r0e'oa' 'e,'eNc 'iiss
Tor the SAKE o. tne cSl'eflH'en' % eo'..
dctSe' was s:'',2se" VI, .,''''s'i Su,' o. I
's ~" ~, 49,, aI ~
i'i'> ~ -
e3''N '''' - -
eh2!oEe''iS 'h'l H '''F Hs' u '''.', ; - -,
4 =b'i"c i"Ef,-il mere "eiNzsNo S!leNA"''' ~ ''i'
sgs;cm =Gi blowing out ono laa' 1t a''
attention irou1 the engineer wtnch eo0id not az
ways &c oh;aIned and the other tLat q quantity %
heat was lost WITH every discharge oi the of'ne.-
! tlFtp otlns pump with which am acqua}niea=
only by IN ornailon, seems 10 n>e'@oo'h lte,e'o'
ect,oh'. l"o th's' arc .'i"t
i sh 'uid pump oui Il, proper 9u'"t''H % oi
sccond' thtf IL '''ulu pump ",No L. 'o''ei
proper qusnuts o' ,oa "s'7'=' u ""> i'=,
ccs'ary, Tine 'h'ld ltaec: 'l't lttic @ oi ~
neat should DC ieSt,=No" it.li' ceitu ''e'' w
| proportion which ouGh' 10 CYST #oet"eeHihc water
10 De puMpsd IN ana ihe orihe 20 nc 'uhNen ous
| The difference - clearly tue quantity "heh works
the engine. and represents ls power tiaSns cal
cu!atcd the nece>sar, proportion ot these Two
/ pumps tlEIr contrNcd this elegant apParatls.-
The feed pump was a tubr through which the =ses
water WIS driven and within that iHee# was ann-
tler ro,lc proper SIZE through winch the bot brine
WAS driven out. Here, then, wtlnu tine outer tios
we're Two streams ely water the hot hrne Passf-
within and opposite 10 -;rca'fl o' water "t'c1
was forced INTO the eoicf. Nhy' ihcn. "hat bar
r'n' he heat c'natnca IN 'ho brlils Is 'oa.
>lanty communicated tn.the cold waterwhlch pas-=
>es in. that goes into the boiler at n lover
temperature than Loo, which ]. nearly as high rs
any feed could be expected. By this beautiful en-
recleni the heat winch was carried OF Tie brine
was carried back br the water but the most m
poria"t feature o' tins invention 's the rntner'1ss'
cal certainty win winch the proportion '' Inc t"'
Jumps Is dsieimined. FROM eii ,ha' l nave oees
able TO coicct concerning IT, he1eSe '"a' 't'' eN
ped'snt Wi, VII! perfectly answer inc '''iPose; an''
tha' VIII keep ''ie ooci a. 'o!i s"'' H' any
cNnedlent Can do
hese circumstances perhaps WIZ so'i''' q ess
Importance IN ilis country tian 'hey were ie1t 10
De IN England; Tor you appear 'o#pe Just com
niencins thc construction ol sea-so'hs S'eaacfS,'h
WHICH Win Tue exception '' '',e eoas, "ls
III recently OUT "',!e mas 'ee'' '''e' e Los ''s''
""Sc ~ 80" -
"iCn YOU sec 1o Pc III t'ie " "''"
ihe od'srn vessels in's country IS apou. 10 en-
Ter upon tue construction Oh Vessels 'o' 'he Nation
q MARINE. ana N the ilrst siP constructed may De
seen the tree spirt which have so often mention
ed as striking u stranger with the most surprise "n
hrst coml,s 10 America Wore novelties IN me
chancs and general science nave been presented to
ne IN this country within twelve months than
had ever seen IN twelve years III tnsiand.; and
this although have examined but tew vessels IN ~
this country, while have seen thousands IN the old
world
Three or four national vessels nro To he con-
tructcd in this country, and ono of them, the Mis-
'issippi, built at FhIadelPha so closely rcsem-
-lcs the English steam SHIPS that ater what have
already SAID but ic" Observations are sow neces-
sary This is built ciese yailcr the English model
with some little variations OF no material mpor
taRcc. Ihe cylinders arc nearly square the beams
are placed st the foot OF the cylindcr and the boi.
lers are m adc of coppcr. which arc lcssliabe to be
acrusted b. the deposition Of salt than those made
of iron The cos, Of copper boilers in England Is
almos, three times as much as iron; here it i,
not SO great anl as they last twice rs long and in