The daily union., 1852-09-14
Mr.. Asplnwall, tks ownss Of ne Qsicssisp. Ia a
letter dated July ~. speaking % Mr. R0ans. sayss

letter dated July ~. speaking o. Mr. Roans. sassi
"Yoa may him q yery sslistie. snseilenl sod
recommend klsa a. sood nscsansc ssa eneaeef nsd
Ss,~or'hS sS%s %a9 hs % sssss ,,s s,ss $A As'''
Further important testimony aSosdeA by Chef IA.
gnser Buck ot the steamship AibalIos. who has had
long experience with Pirss0n's condenser lie mys.
among other ihingsi
apparatus has sssn and ., s~sse oas 80 iwenll
four hours and the boilers always kepl pefccdy
had do with the Iss pan 81 0aaasuss suhsaI
uon Of coal was incleated Sboat tWtp iqng
covered with scale while speed oi the engine alto
materially diminished BY reason Of dehcieHoy 10 siuaia
Again. he adds:
"The action Of the fresh has separated ne scale
the supplied BY the condenser pare ana ush
that would cheeruly compounds Tor io dfink
Then comes the testimony OF Chief Engineer Simon
Baker, who had charge OF the steamship Commodore
Stockton. from Philadelphia To Aan Francisco, and iO
many months afterwards ia the Pacific lie says
/" On arrival al San Francisco, searching inye
ton into The condition OF our manhinrry, bors, and
denser was instituted, and n was universally admitted that
had arrived there in such perfect
tion seemed 10 asonsh the engineers oi other
ers there much as pleased me, although previous
experiments with the condenser had satisfied me Of It's in
u am now about to return homo, and leave the Com.
most satisfactory condion Tue boilers and the eoaden.sr
perfectly clean and free from scale deposle Of any
has expended boilers, Notwithstanding they
have been IN constant service Tor nine months know Of
no other boilers which have been Ia use on this Tor
months that covered with ecae aud any OF
them that have been In for two years entirely
stroyed. .
water, snd u vacuum regularly maintained twenty
deg and has scarcely varied from this
When we lett Philadelphia we were burning bitumnous
weighed) per twenyionr hours, cauying lhylour and
thirty five inches OF steam and working aIl
condenser, desired ia going TO Rio Janeiro shut
of the fresh water apparatus and used condeser
the apparatus made very manifest The consumption
OF coal was increased twenty per cent aud the tcmpea.
vacuum fell and became very irregular Tie difference
between your fresh water apparan, and the ordiaary
because through all the changes of the temperature
the was preserved az twenty inches whilst
steady vacuum under the favorable circumstances
And he thus ends his letter
In conclusion, would you that if engineers
generally acquainted with the value OF your conden.
ser, they would which was no,
attached As to the pecuniay saving, is large for
owners going steamers 10 disregard as they can be
run much less expense, vessel without them
can successfully compete with those having them on
board"
| Mr. Thompson, the President of the Atlantic Steam
Navigation Company thus speaks of PRISONS conden.
will at all times afford pleasure to aid in the
tension OF The of the condenser for two First
1t great private benefit the OF seames be.
cause makes them more economical and will therefore
tend 70 Increase me steam marine ana extend
of marine boilers and tends greatly to the safety OF those
on board such steamers as use IT,"
Then comes engineer Samuel Genher, Of the steam-
ship Utah, who says:
81 have had charge OF the Utah since she was built
PiIssous patent condenser attached the eng ne,
operates In the most satisfactory manner furnishing an
abundant supply OF fresh the boilers. have con-
densed iorty pounds TO the inch, whole stroke
when water peratue OF zoe f., and obtain
ed a of 26t inches, and feed l50e r.
Maximum consumption OF coal three aud half tons per
tweny.iour hours
II have been visited by many engineers Of the
most preudiced against the introduction Of things
who have unanimously expressed themselves satisfied with
the perfection OF your arrangement.
From my experience, am prepared to make this oer
will guarantee 10 take any we.consuocted steamship
round the world and return 10 port with the boilers Ia the
mos, perfect condition. as far as any depose of scale
coosion is concerned provided condenser properly
applied on board On this viii stake my professional
reputation"
Finally, we are placed in possession of the testimony
OF board OF the most experienced practical steam eng
neeTs OF the navy, who recently appointed to
anime the whole subject OF condension, and they state:
"We consider Prssons be the be best surface
known, for the following
No surface condenser be safely ipdcously used
except contain provision, or arranged that il
nssnaneousy and at will be converted into a common lei
condenser in the OF fracture derangcmen
the pipes, parts &c. surface condenser possess
herciore important properly il this bs absent Other
merits may deserve admiration bu cannot recommend Il
as practical aud here we fully sgree with the commission
ling 10 trust vessel of property without full
provision for resort ordinary injection condenser
and which we cannot but consider first and
sential point in any device Of the kind This nporisn
requisite, the commission truly states belongs PRISONS
condenser, and they attribute it TO Symingons Prsson
however, Is the only condenser presenting the ian
portani features OF the double vacuum, by Which con-
densng surfaces relieved from the atmospheric pres
sure, aud consequently strain and leakage, alone
the failure of all other plans Of surface condensation
is not the with Symingons condenser mentioned by
the commission in connexion with Pirssons affecting
the same obecs SymInglon's has single vacuum, and
If used surface condenser has all the advantages OF the
atmospheric pressure onthe pipes, similar Halls Mers
and others.
"Queson Is advisable make the application Of tho
most approved condenser to all steamers OF the navy
Answer. We of opinion that, for the
nbeore stated, IL IL advisable apply, AS pacea.
blc the condenser Prison. now being ued Ia the
United States steamship Allegheny, oil steamers Of The
navy plying IN water
Tins condenser already been applied 10 eight mer
chant steamships; Il has been In some OF them for
several years and the practical results fully be- out our
estimate and opinions. There also rye steam
ships now being fed with il at New York"
MIR. President, in addition TO all this we have letter
from lhe Secretary OF the Navy, stating that board of
examiners had investigated the merits Of MIR PRISONS
and several other condenses, and that they had found
none OF them psrfect-al might be improved For all
practical purposes this report quite useless could
have no influence 10 guide the Secretary Since that ex
animation and report, however there have been exper.
menls made which prove that this condenser entirely an
swers tue purpose intended and is beyond all kind of
doubt the best that has yet been used our
and rs an instrument by which hundreds o Thousands OF
dollars may be saved to the United States within the com.
ing year, provided all steamers can be supplied
win H. lhs practical demonstration in lis lavor blow
ing 10 nothing the conclusions of scientific examiners 40
bothered the Navy Department that the Secretary would
take no action on the subject without the authority OF
Congress.