The daily union., 1852-09-14

(GaIes
Navy, ia an official report 10 the lae Secretary Of the
Navy. Mr. Preston. says in regard to Prisons eonden.
ser;
presents Itself in the several points Of economy, ef
either Of which It's application, in my opinion, 70 mPea
lively called for As exponent Of the extent Of the econ
omy would be effected by Il In the consumption q ise,
alone by the existing In navy, Y would
induce a saving Of fifty nine tons Of coal per diem"
And again;
"Ibeg leave say that. in my conviction the instr-
nent OF Mr. Prison. except in the position OF the tubes, Is
wholly novel, complete in all It's arrangements and eiheient
It's operations; and that the economy q
Gu pac y and efficiency positively impetatvei and lnr
rher that such consideration is an INSTRUMENT for the
of marine steam engines that with
The immediate application OF 10 steam engines la MS
country foreign governments VIII resort 70 h and In me
OF time there will be accorded TO them the credit
an provemen in the marine engine second only to the
original construction ol H."
Charles w. Copeland formerly chief engineer in the
United States navy late chlei engineer of the Apae
Steam Engine Works, and eminent consulting
engineer in New York, says:
In respect to condensation by metallic surfaces, my
opinion often been expressed that this the only
dy many Of the evils attendant upon ocean steam nav
CATION. OF the numerous plans that have from Time TO
time been brought forward TO accomplish hs object Prs
sons condenser is ONLY ONE which is eecua and at
the time avoids the evils arising from an expansion
and contraction of the parts which has caused the desruc
This condenser has been for yea,s giving
the most satisfactory resutsn EVERY RESPECT From my
knowledge of IT, have hesitated recommend II Tor
seagong steamers, and in one or two cases has been
adopted on my recommendation, and the most satisfactory
evidence furnished in regard to its operation,
The advantage OF this mode of Mr. Prison over the
dinary jet condenser conceive 10 be-
First saving OF fuel 10 the extent OF at least fifteen
Second An increased durability of the boilers, less
.Thiid Ths labor Of keeping the boilers in proper
condition. both at sea aud In port, is very much dimin
saeS d., .,vinn !, on,r.n, on,,, !, ho,,-
'.Fhh Boilers of given power would occupy room
and weigh less in consequence of the blowing Off
/" SIKH. much more uniformly efficient vacuum can
be maintained at with PRISONS condenser than with
any Other and consequently there Is not hs amount OF la
bor required in attending upon the engines
b. H. Bartol, chief engineer Of Merrick & Jowne's
steam engine works at Philadelphia. who constructed
Of Prisons condensers for steamship, says
"The Prison condenser must, think, commend itself
general favor, the that there contingency
connected within it that can any delay the
gine for If we suppose that the fresh part should
injured | am well satisfied, however that there is no
part of the condenser but will last long the of he
engine"
Messrs James J. Sutton & Co, of the Franklin Steam
Engine Works al Philadelphia, say:
"We urged the importance Of your invention and our
solicitation they have ordered it, Please prepare the
that may get the work under way Make your esti.
mate so as 10 give ample supply of fresh
the ships use also, fiat any time it should be found
Captain William w. Hunter United States navy, who
has had much experience in steam Matters thus
himself:
Pirssons condenser will cause the same amount of fuel
and it will double the durability their iron boiler-
consequently rendering the boilers less liable accident
from Irregular corroson and third of the tonnage
the vessel which is saved by economzing fuel, will be
available for paying freight
versaIly adopted"
Chief Engiaeer George F. Coffee, of the steamship
Osprey which has had the Prison condenser attached
since 1s49, thus speaks OF il:
The boilers of this steamship have undergone thor
ough exploration the result OF which is found neither
scales, and they all appearance just good when
they first left the boiler shop The declared they
used and this is for had been using salt water
should have done If Tor PRISONS conden.
SER the boilers would have been badly scaled and much
We examined the condenser, and the result was
equally gratifying with that attending the boilers The
pipes found perfect and in good condition as when
they first put in Indeed, this what asonshed
found urred coated with a deposte which would pre-
vent the beiog condensed Bat nothing of deposte
appeared aud the best proof Of their cleanliness we
closed up toe apparatus leaving the pipes precisely the
same condition that we found Them.
The saving IA coal and oil is very considerable. We
one barrel Of oil where formerly used tlroe
barrels, and large quantity Of taow besides. rhe latter
we have dispensed with altogether That steamship Is
much safer with PRISONS condenser than without IT, have
been fully convinced 10y last years experience and of
ths no better evidence required than the tact that much
greater volume Of can be produced by the same
amount OF fuel than when salt wafer is used"
The editors OF that scientific work, the 'Journa OF
the Franklin Institute" say:
"The condenser of Mr. j. P Prison. which was noticed
IN the Journal time since being in board the
steamship Ospey running between this port and Charles
ton has been examined within the last few
ship being reted for the coming season. and found
70 be as perfect as when nt put la The tubes both
internally and externally found be perfectly clean
and the boilers free from scales"
Edward X. Collins, esq, OF the Collins line OF steam.
ers, says, August is, 1852, few days since
Having for long entertained a favorable opinion
oi frsson's condenser, have taken much pains 10 get
every Information could respecting IL, and happy to
say that my opinion has been so fully confirmed thar
shall put il In the next steamship bald 'N'
George w. Aspinwall, esq., who has had the PRISON
condenser IN use on three oil his steamers thus closes
letter recommending IL:
81 can only say, would send steamship to sea
Without the PRISON condenser, securing Il does SO
great saving In all respects"
Now hear what Chief Engineer Roane of the steam.
ship Qucksep, says OF the advantages OF PRISONS con
denser, IN letter 10 the constructors of the engines
Messrs. Reany, Neahe, Co; he remarks.
Can you point any steamship which has ever steam-
cd connuousy for fouyfve days. under constant pres.
sure OF forty pounds of square nch part OF the
tlne too in the safest OF without blowing one
drop OF water from her boilers, drawing the fires
This was done Ia the Quickstep, asd much more"
AT another part Of the letter he says,
"The vessel very deeply laden and we encountered
very heavy weather not the slightest accident occur
red TO part Of the machinery a survey at that
port everything found in perfect order The boile "a
and condenser absolutely perfect when they eft
your works The rest OF our voyage accomplished
with like results.
Here let stop for moment and consider what has
been done. small steamer Give hundred and fifty TONS
OF inferior power, laden the edge leaves the
wharf nj phia-passes twice through the opcs-
through the Straits OF Msgelan-steans on contnonsv
ior some twenty Thousand miles two Of periods