New-York tribune., 1867-04-12
ROLLER EXPLOSIONS.


Tuesday a. IOg O'CLOCK puruant 10 aoungoeakA report ns
received relative 10 boiler for experimental purposes which has been
pod Of tho Deamater Ir9s WORKS and which be used for
pp per day obee,T was n1e 70 Il The boiler lOer on @ the
gsFe inch va not sufficient for the test Of appliances Tor Mssteu
.ep, s hoSereF scce5.e for he general experiments
Committee directed to enlea9r procure aho'1st 1 sgec
;h5H nrodued NJ Ward who commenced bis remarks by
M The pfornaon o parties interested insurance against Gre; -
sn; do not knov the origin OF o hte IRE I yH as t ~ M
en- tna an opinon have the late ire on tho last River
. % V odat near the pert of tie boiler which ncosed the steam
and . a. % . s sS S % .9gaDg e1 eoS. aier aG steam pipes
omemc convey great t,ncos from the place where ere y t IS
pipe. Usually eoTered with Of 9 sek "so o5
eine Tho two hilGt 'e eggea''si we ss Its the
steam pipe Is qns as H,gf Wien G Pp'ho pr S.s
,olg Pees bogeea oor or ar eoE o,ss B's ghfS %
tho radiation Of s heat etes.,I Wal, g, s q e tnt e m m nav
be g degree vhio Ia contact WITH gste WIN
ac noa aaor u Lent doanssTl one The mot ewtahe
qualities Of yAt'r T. r. eay 70, y ni & N Taie az cen ia crp
cpae quart Of water place over nG So egaio
ion 60 degrees 22 decree, TIE tcii.s point point.
pynr win perhaps be heated the same ses u ore seeoad which
~ s 1 10 Lcat The same bllk Of a enl water 10
is also the daece specific beat Of sa'er sd air aai te pro
eneueieT la Prs were %S,ed @ 6S ., s9 e sii 81 % f % end @
IL PIPE had bcl filed VIII ;e noA 'ages Sl "a n ' m & % & w
ar s'[a n.sl C m a. eapae for Heat Bot opcn both valves
TS ltt crnes Of steam far rapidly nOngh tho Pipe, and If
W. feg a :of gs e;l S S X soeP, Ps m Ei5n
waite. iLuN te 'tels ut hs.iS cS "ri teers tbp a. m
s~a n.-an Stan ao keeps heating sures from 4sanng
pS'TS b. 5e acame oSstao 6ecsss he also o,er
he.ted E5nse's a 10 f we sys steam ehnsy OF se SET ap
In fck v of the FIRE returned over etop soo'e 9 we @
& % m -,e, .enr,el ibrgh lower heating srces forms
g" i s 1i.oiT .s 90 m up lie ase or dive e water
spaces below whereby tie steam room j. ia,iag soA'l.'s. @ %
over tie lrace The gi tosorl le eHiranoe 20 the steam
~ Stci b. tie vciJrit Of the ibiough the cylinder
nl me- , s.r s se, I Of boiler Tsosi the knowledge
The 1esr he tic; hrs ya,ereae, A @ n' & s9,h sI MA. % @ @
sle Ga G oH IT, ~ hi neln iae i the ehesf f a9
ter e,c ard Lot s prevent s pmR ho9 atlg rioiap me
s, ,oe,y ,a f9as aJteI, q los water attepts to Start
coli ser rr,e into tbo boiler which beilg dense than hot
SINKS ana flows owes te enien o. i- So b. ise @ a s
q @ bottom o the boe; .eses The sar2es Of TIE gaes fs
b, Te appeI heating ,.ises now sIoosITs I -, T @ o % %
2eeaE he s.,'i f' % & az he br hoge te water becomes
oeI Soi lS or e @ a,sri Isaa receive heat
IT, e dovaasr Jecrse Of the los specific heat Of steaa Al
At part & boiler leaie s..El aisM "a % so's l se o a. W
ae G b',ois . & a se. ~ ~. st oeca e s S For tbs
fe VIII VII M t1,s cEpari and coiact b being heated or cooled
% ie'P s.Sfi. G y Inc 4meEssa H. ste have explained
E ; Z; s. aI FiS S ,se,t that a a L,5 i Is Re EstSSe ss &c
hdl OF oy. srts Of TIE yg a7ee o. the f5giaefG a
d n,s. alnss heated b. u and st-anhoais are 9tIhu
@ 20 @ % S % all r a S lip5 & Rn9S 2 Ho aSS eau es5 dou
By 'h' 40 & M II ny naI repairs saved and At the same time
"a ~ f uay be eConoLtd During the ~, & tS9
6 o popetg By yhe explosion o. t3e ss.5A ~ persons 1 1
w r "a ter the Msui an exploded the day killing
r rea,I nea On h sh July last year the Pe!A,SI % Lara
y r lss 7s5Oso On he Ilof April the AmalCn Bae Deans
s sG oa h. a % o joSs tie la Ha Boons james raymond and
Magnolia Halaf aSgAei ~ .enG0 mp M Sna s = @ o SoS Of
e ', r''sn ols' pse - G s s bf Of e ysf 1856 have
as e,e y tdo explosions Of ter boilers such frequency
s! 's 0, s al n'i @ 'Gn'S 3 ONE se' IL i IS Of d c Is'
motive, ur r boilers each year and vhea We consider al ta:
,,e ,Loal hat insurance conr%niss may i.
Mr. w l his sis , Esi;P1 T.sss ::sa%, .,
o.es Sy the S1aca eehn We have tables specific
bet ht al T g .o ,' \, ,5d s,s sa ~ g9 5a, s% usuIs %
as Tie ennonee gives ns no dea OF tue qnshy
Sis or ie "a quantity OF ire c5oi which
pounds a dg and TIE er'ct elu, 2nt fSr INIT & 81
ron, Weight one sixteenth ach high We have two cylinder
boiler. sssr - t @ saI eGnsc, By .,a@ pipe il We sie up
aud ore until tho temperature ot the water 700 degrees we hau
& Nv is WI not be- warmed even the heat Of the
@ % 5ss & o. @ @ spsS sS' afe S@'I dosS. SSya Tbs d: boiler
Willie ,vfade IN nesr direction 20 cr inches greater length Than
"a cct in,he, hong The OF heat communicated TO the
IoeI 5p 20 to sh ob force .a.H, ,o extend the boiler
rp nr inches But the effect Of tqe ,gnGsI e. hsa9g o ne % O9t
Of es and Che oge. hl being at as ne P &
M arhi form and The force Of This unequal ehplnen woan 3e
% si under the worked mp until sas bent TO the
.e f;'S1 % % 81 % & M SfSa S S ouSsi6e rou ri
wtn t lie Mr WARD iboash not but snnses ~ Is % h
c ys thousands onuocnt persons And he easde5yd A' tas
sn nay mol 90 0S b % ~ s1 .cii"p bb nSoS lie water could be
%
y aud isqsh .as steam Ie cylinder, ARD shiTs' fSS to
c",rs TIE %?He ' ' 5es al''s and ''SS Sncove p.
some u he uppe hug surfaces q The boiler ih; occurs ia
locomotive n q boiler TO the rleai o neoyeTng u. lee ts
,sc would he tl me whether pound. pour steam
carried within the boiler The ea@gaHge Toel be no ind
cation tue gce scng 70 rupture it po uhasf sa,h
ro ~ ntaL ls tea horsht BY ensner that when tue
ao.'' t9 ,a' l,S NC, aud ~ III, cause sudca increase
lS' tsa'ea (I, 'I@ toIe Tiis s one Of the popular
hea 'n he ot water 'Le boiler and n, to amt hSs' s over
zen acs go iP y 'e sSa.taeGs s s Sc ica s
teuion Board The neeoeHt Of h' e'eIn', on t Oo o
ile m ,i.'nrr y, Jog t S d 10 Fe se box for an account
" series 81 experiments eealuoit! on bower e.e''yl
sS, f f Tie ] ],cnrsars IN al ra boiler, eeu low
He eoa uo bow he gofa nave aie & lo ' S ST
u die members II tbs board ed It's operation add could confirm
a,t Sie ice ~as iyt ire urjeru nam Gsy sacceOr The
lsIn9 ~ suC"E q s b pcST and applicable % III
Ics lle should have ta,ou n applying 20 ary boiler how
ever lane aud blowing ont lOr hoeare % al The Nsr sun
was conan. could tOsy pat OF Che boiler "a m %
u viii be sencray understood that hy tbs me- ms eonNai l0s . M & @
d. saved s,yoWe glth Of al & wusly required IelA Az nt o
s and large proportion o Nc acc dental hrs to iSh ~ P,ht
III coscty,s steamers factories, and baihunst NHe1 ~ AoAm ~s
subject a.. pn, "A n
Nr Wizard oEeon o ' address Ie,sa,sd 20 .S sca s
dae of smernuis the Susnbet sN Nhirh were X
1leaoa' stated that Ne would cner 70 te beI oe
instruments or application TO tos y ~ I.
an, 10 ost stated woad be ound m oht e e
lectures gwen before the Americas ltsis AadrePoa IN "'
puhhILe proceedings . - .- "a, .-,, - ..,, al
s lt adjourned ain ,. he sane place l1i ds!
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THr GOVERNMENT or LONDON, ENGiAND.-IA'
LOr,lo, 1egrqph comments edtorially OIL the Govern