The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1850-02-10

such substsuces Into the boiler for the uurno.s 81
Sps tsSShs sA: from the
the bottom Of the boiler, where the oirculstion
T. so vssnsst and ming crust that would leave ne
IRON unprotected by ths water, and the dread
Cd estAstsophsj ! had understood that one Of the
tubes IN the Jonas Hssrtts boilers had been burnt
Taylor at the ruins ON Monday morning, and stated
what had been said by my brother in regard to stop
been the Of the xpIosion; he said "Non t6st
there we're only two or three buckets Of dung, and :
boiler Rse Pps .s' . r.:
built for 80 horse power to carry steam Of 2O pounds
point the safety valve. which Is ave nehss in die
meter is adjusted blow on At 80 lbs t. the square
is connected with the bser, sfordisg constant in
dex to the pressure existing therein; the boiler has
side diamster think the recent sxpiosion Occurred
from deficiency OF water In the boilers according to
h: psst four O'CLOCK on The morning Of MosSIv sns
At seven O'Clock complained of want Of steam; with
the boiler uader my management have raised steam
Of 20 lbs pressure inside of one hours time.
Paul Stllmsp, resides 1t 90 avenue C-Aarmsd that
he had been eighteen years engaged with establish
principally engaged in constructing guages Of various
kinds for measuring the pressure Of stsam height Of
water &c; has made the generation and motive power
Of steam, matter of examination and study about
twenty years. his attention nrst called to the dam
ger excessively heated boilers by report Of the
experiments Of the late Jacob Perkins, con-
Quoted In London some twenty years ago his
power, was lad in shop in which no per-
son was particularly charged with the Of the en-
CINE nor there any person connected with thu
establishment that was accustomed to the use Of =
steam engine excepting one of the propretors, who
might have had two or three weeks Opportunity 70 se
one in he st that establishment, cylinder
boiler heated twice by the evaporation OF all
its water time bot to burn the packing Of
and white lead from under the safety valve
to cause the sudden discharge OF the steam made
injecting quantity of water-the other time to
water; subsequently the engine exchanged for .
larger one, ana the boiler for Motifs boiler that
proprietor Who engaged the boiler took tSs
charge Of the boiler. which was In basement, and
and went TO the boiler, and finding water opened
the at tie side OF the'ubes and found
se ssts. ~ ana nS a. 1m9
the freed ana the tuoes cooled by the water "a
in them until the boiler cooled and that the
engine stopped did other injury sppesc
than the trting leak OF the tubes the other time 1t
IL was treated the same or nearly so. Have been now
about Id years connected with the establishment In
this city known the Novelty Iron Works. has
given loss attention to the method there pur-
sued IN making and staying the various kinds of boil
ers made ut the establishment during that time;
in consequence Of the incidents occurring while boy,
stated above bad been induced to give much sttsn
ton to reports Of of boil
explosions: have heard the particulars OF many,
some Of which have been violent and with the
full allowance Of water others without water "
violepce have known OF several arches to re boreD
CONSEQUENCE excessive heat but without explosion
acquainted with the theories Of explosions and did
not think that the waot Of water vas necessary
dticD to produce explosions may cause It, and stated
how aid not believe in the possibility Of explosive gas,
had the ron ssd to have been the boiler late in
in the ssta bshmt mt of B. Taylor had ompared
1t drssipg by which IL said to have been
ade had the boiler In the possession Pease
ship concrnd did not notice particularly the de-
feet pointed out In the plan shown did not think thst
surface of 9 bailer he thought that the plan
shovD here ineuty calculated to produce
posioB that with sufficient fierce crush the arch at
the bottom OF the boiler tooud necessarily erpode
dpendenf q any condition vater thought that In.
vsrted arch va. far dangerous than the ues or
IRE box had never before aroh imperfectly
stayed he thought from the plans and plantations
and appearance OF the boiler, as this one wss had
made particular exarnstion Of the safety valve; Il
not large be had been accustomed used
for such sized boilers but larger than necessary 10
relieve the boiler Of steam ss fast g. under ordinary
circumstances IL could be generated The valve shows
Is at the lo~es edge Of disc ~ inches dsmeter q
fucrum of 81 inches from valve. bearing leverage VS.
10 "A ana the lever and valve rested the seat with
weight of "a ioe nearly that the weight attached to
lever weighed SO lbs 10 the valve wa, st the end
oflever would resist pressure of 1924 per square
inch Of valve That there mark on the valve lever,
csnsed by staple in the weight, about inches nom
end. which q cord tied. am told BIZ which
the valve was lifted to blow OF steam 1t Is probable,
Therefore that the weight not at the extreme end,
and that corresponding reduction ought to be made.
IL would 'tin leave pressure OF 1o7 IS. Allowing
nue, to be Eve feet, it would give I pressure Of
e454so pounds for each inch in length or II Asst
would give aggregate OF le4 tons nearly; TO sustain
this pressure there could, from the peculiar construc.
arch to have fallen and there is in the position Of two
Of the braces left strong evidence that II did there
was no abatement or ,tsy which could have arrested
the spreading Of the dss and consequently the whole
bottom and sids sud have bad nothing to prevent
nom assuming cylindrical form. tearing OF the sheet
braces and conpress'pg the inner sheets rs End
them; In taking that form, it Is impossible that Il
could have escaped breaking. and rent Of any con-
siderable size having been made, the velocity Of the
steam, driven a. it was, by the pressure ssd the
momentum acquired by the rendng parts, would
capse IL to extend instantly In every direction the
o. en-
ny mp. and probably throw eft the ends which
motion up untl entirely disengased from the boiler:
would proceed mp through the several floors that 10 10
nnown Go have gone through while the other parts
The circumstances under which they separated from
the central Isrt Of the boiler The effect upon the
boiler be did not think too srat to be attributed to
the velocity 81 the escapny steam upon the build.
ing BY tn. instsntsneous Introduction Of from six to
which trsas up trees &C. IL ssid with velocity
$500 feet per minute, snd with force Of 20 pounds
boiler moving With impulse Io7 pouu d. per inch,
or 2ee times the velocity Of torssdo; he ms ntoned
the deov.rer In England the DO Ger Of steam Also
Of the bunting Of brsech Of musket by charging II
rs 70 explode Vicinity shsr II .scs TsSa.s.S
force q from eoeo to 5000 pounds per iach hethousht
their generally being perfectly tight that there could
have been want of water, though Il may not hare
appeared at the ws,.r euase. which s always placed
some inches above the hues. That there ques-
ton IN hts osn mind that the only OF the explo-
sion was III the boiler was subjected to amount o.
pressure TO which from defects named there couli
have been no adequate strength.
when Mr.sslman concluded his direct testimony,
ne Vas cross examined BY Professor Repsick. with
view TO show that alone could not have pro-
d1ctd Tie .nplosion the Professor observing that what
stam was In the boiler would not oil door tae sine 81
this room ioot high. but Mr. stilman maintained
that steam vas sufficient tn produce all the effects.
have hnown 81 fatal explosions where there abun-
datt water In the boiler The case Of the Moh-gan
vas an instance
John " aiksr exsrinsd-i en- resident OF Erobokeu,
Ne - ler and no Arm ff lli-.n "A
walker at the time the boiler built the ilrs
built undsr the surerntentepce Of MIR. Mootso1ery;
the iron for boiler bought from William K-ms,s
q this city, which Furnished the best boiler
Iron, which will generally sustain pressure Of 40 to
~ thsussbd lbs per fqusrs fnoh this bor with pres
% leo lbs guare inch gives n 600
Lbs 90 the square iDeb Sing third
ion Of 9th IN the iron Tor rvs.ing the sides aaA
ns surfaces of boilers are braccd with screw botts
from 70 inches apart, which property fastened