The New York herald., 1864-09-11
rnsC.io,uv. L,sn. axpiosrop.

TheCsiotuv. Light axpieston.
tsorxsF ON TRE 81, nv oF rnE yIcriM--iNfER ssr-
10 rE~TMoNY os ghs CALCIUM iiGat AAsJ-
F%uTraEs.
torSnse aauasv yesterday nsid inquest AZ lo4 Fast
n ih O ,e/. ON tho body of Miss Ellen Mesnan, the
yoc ng aau who from tho effects Of injuries 70
seiy "a n, me exrosiou of the light at tns
Nc IN. meeting n Union square Thursday evening
ksy s~l Neehsa asstsr Of dsceased vas also arTioy
no ared by explosion, and 10 now lying n Bellevue
cspitsI with scarcely hope Of her recovery The re-
port thlt rrsse oRourke Of AL West sixteenth stesr
wss Rsd by ,he explosion, proved 70 be eotely incor
Beio- wiz bo io,nd an interesting affidavit or Mr.
eraul, who nanufac ared the calcium light, Roins "a
"a iss IL ihe asi case Of The KIND the coroncrs
ksvs ever hrea cs2sd upn 10 investigate, Il 10 sur.
roaaoec vita more tnsn o. dinsry Interest
gpberl Grant being duly sworn, deYcses end says:-i
reside ~ No. os6 Cara street; I am mechsnNn epa-
sa,esr iish,s hsre been 10 the business twenty
years hsve bean accustomed 10 pun up csviam Enss
fse Ave. y oar yeaa; ! have seVcr had IKE aceadeus
sscur 70 me serre: m.p way Of msSing calcium
sszhts parts OF pare ogfof@o gas I'd c.al
r.s, sas xa 91g e. Dr. ss oxs srosea bow pipe
ine gsEas Dsas o,ssased ia ssps as cyi!nseSs bat
s-uasy siSe., gAs when copdsnsea 10 sbe cylinder,
,0rcp,tA,ec - excess o; careo, and became better
s.er lisnl y. 20 pure hydro gas mas
a gnaatAs required 10 Ireduee the light;
l.se made aooi-~te investigator IN regard 10 the
hydrogen gas 10 make Tho rAasa'a isst; but rom
e~evatien ! presume fns Ae roporton is
aas re; N my icrmor cxpcrrac win pure hydrogen
iei cxy have oeen y sa oxygen with
s sixia part Of oxygen patton hydrogen this
nstpre bave always !nnnd 10 be uon.esposve under
IA c1rc Ions; since ihrrs1c,ion .nt bureifcd
avorceen etreet rss have oeeu accustomed 10 m x
trc.tcuth part OF the bydro-en with the oxy-en tnis
t.aas copsleTed perfectly safe; tnss the mixtu
sssd the occasion OF tie explosion IN question: viz:
sae iipder cont lining pure oxygen ore lars Cylinder
spaiantrg cafbareed hycrueeu Or gas and ere
esataang ozygen mixed with sbou, onetweIth part OF
street. by The last the one that esplod-
mo fargo M h'dr0en eythaer WIS coooec'ea WIN ootn
Ghs and both bnrBiug at toe time OF the accidents
4 i .d double coupling, 50 that could regulate u ~
pe.sgra; eaoh of other cylinders we're connected
vito 5000 lieat respectively, tho gas mixing eight
aches N tue cst this Common cooddit, eight inches
icas : a metallic tube, which terminates IN what s
tsrmcd he nipple The danger OF limited EXPLOSION bsre
sve been inyen.ed, lie farmer ore was wire game
lavfnef rs Dr. Hare but Tue explosion was simply In
enl t5e grs inrh. get mixed IN cy nders and
Als oss uts has long sincc been obv ated have bad
A saVcno OF my own 10 guard against this explosion
In ,he appe tube It consists OF Diminishing The space
Ssoush which hc gsse scape Al The terminus near The
. Metal 80 as TO nearly ocse y consider this just a.
rae - tho wire gauzo. and have used for six
without ncodeEt near The ext OF this gas Is placed
on" cyuder seven eigh'hs OF an Inch IN diameter and
frcm ore iucb and hall 70 two iDcbee long, this
aippe IS ! BEN. AT a, an auSI. OF S,va SIXTY ave or or
seventy tesree as TO come neary in contact with
1e ne hal al tne ABOVE ahge the lower edge OF the
srte should urst clear the outer circuit OF the lime ball
sh c" = kept rcvov ~, supported In brass cup can
ooly explain he scctgn, In this wiscTho nipple 10 my
tpreratus in being transported TO the place. inuI
got bsnt tnat II struck the limo ball when put up
ana prevented from revolving freely; my put up
khe APP aatus and did not come upon the ground I'LL
uss in OPERATION: d nos discover the defect till
tSn unules before the explosion; then tried 10 remedy
y; look knie and bent II back that thought IL
right with this defect; did not Thick there was
E,y Danger OF explosion from II to the cylinder, except
.ngt lght hinder tho lime ball from revolving ard in
sea the heat so as 70 produce explosion the nip
7e which - OF minor Importance; think that owing
y Tins position Of the nipple. which tried TO
seuety, but think ] failed 70 40, Il became
iuraly heated, and through Il tho gas exploded;
tas las Is not exp,o.ve under ordinary atmosyher
Ir"ssue aud csn only explain how IL 70 explode
khat IT subject 10 fifteen atmospheres two hund
rel pounds TO the square inch thus producing diGe.
rent condition In the nenation OF the gases; the
floating molecules Of the being cond
uhte those u tue oxygen so, from this condition
Ac,isve tho mixture becomes explosive, which other
wise was harmless this ] consider . discovery
made clear by this accident and 10 the only solution
from which the condenser which exploded suppied
have every TO believe that the gses pre-
pared 10 The sa est manner and they usually
pared have been In the habit OF using carburetled
hydrogen coodepsefs In binaton with oxygen n
the Preparation named considering 10 perfectly safe but
10 future shall do my and myself were
sealed on wagon near the light when the accident
red both OF were injured aud the wagon utterly
ruined
Henry Ranney, NJ. D., made external examination
9 tie body of deceased and found confused wounds
About tie head aud face In the DOCTORS opinion de.
eessed violently struck tbe head by the frag.
of the iron condenser aud fractured the base Of
ser sau The injuries received tbs OF desh.
The was then submitted and the jury rendered
verdict Hs foliows;-'Tbat Ellen heehan TO her
Death by injuries received by tbe explosion OF q
fenser II connected with The producfcn Of calcium
wss eighteen years and six months Of age. and native
q ireland.