,Stsam Boilers.

NnytLry laos WoRxs,
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| Steam Boilers.


| NovsLTy lRoS WORKS, Nov. H. 1874
| Hvader, Ysn Se&ai=2. EsQ-Dear S,t: In reply to you


we ,st hses for m the e OF steam boiler. sre now s., full
established tins city, ha, appears hardly necessary 10 e1


rca the purity Of the waer ha, has been found ,e
deposits ncrus;aon mnde the INSIDE OF te po.
or which hnye heretofore been the yoc source o nc
cdcnt. and destruction OF boilers waste oil fuel ana leup


The nceased durability of the boiler tho greater efcenry
OF heat and absence Of Ray necessity 10 blow OIL NE wt
ard clear out the bce when Con we'e' sea, S,c ag I
which any using the wl testify TO- ana wc WI
make the OF steam powe, ono OF ns Tca;


'as YoS ,n1ss rsssoeesay 2sTiMAS ALLEN Co
Letter from Professor J. J. M.pcs. OF n fil ,.o


NJ Yen scAaek. EsQ-Dcnr Sir In to your in9u;


RES, would bat The opuon OF , gu, eEnee rner
high pressure boilers when supplied WIN Sunes
those bocn which had become coated so as 10 M e eta o,


iron with lime and other esduuis from impure water Deo'o
the nrndcton of the roton clear when hist
manufactured. and when the Cr, ton water p,eVsy ~.


found unnecessary TO blow them of oener than once IN SIX


ons The enre absence q iroth ana sour ensDS 3 ,e az,
10 observe street cleanliness, nnd the wear ana teal Is
50 reduced The Of cylinders cocks Naye, e. as 20
make it desirable for 10 9sse @ 70 as ,. ~


From The purity Of the Croon water its power sovcn,


srea,cr ,hen that of other less puro and for dyeing
brewing: chemical manuiae9res &c IL WAPES
Itwas stated that before the Introduction oi the
Croton it was not only blow of the boil
partially each day. but that as often as t~ice per
month il was necessary to enter The boilers and ch,p
out the cscareous dpOsite with cold chises andhau-
mers, much to The deiriment OF The iron from eccl-
denial abrasons of its surface. Ihs operation was
usually performed on Sundays, rather than nterers
with The regular working OF large and expensive
factory by stopping their steam power On "ofNios
day.


One member stated that on disseminating the use
of the water of the Island in his stsam-boiers and
introducing the Croton, its power as solvent ena-
bed it 10 remove the cacareous deposlteS IN Inc
rough nersiices Of the iron which the chisel had
been unable TO reach. The boilers Were tnefeoy
rendered as clean as when they first left the manu-
facturer, and have so Iemane ever since. he also
stated that the calcareous Geposite formerly IN DIS
boilers acted as e non-copductor Of heat, between
the iron and the water, and since The introduction oi
the CIotou, the savi0g in fuel had been equal TO
half of Goals per day, for toar bolers 50 iees long
and thirty rchrs in diameter.


Our ferry boats are now entirely supplied win
water for their boilers from the Croton the ss'ing o
fuel, superior durability Of boilers and ohr edvsn-
tages, arising om tts use OF the water have seDsoy
sfrc ed the amount of their dividends to stockhoid
ers. Even Ihose bonIs which pass INTO the iresh
water rivers emp,ying into Long Island Sound nave
tuuui il 10 theif interest 10 leave our COCKS WIN
boiler full Of Croton and by using The fresh water
Of tbs river al the other cod OF their ruutej they are
enabed TO keep ,her boiler fr-r from the saline de-
eosips WHICH may have accumulated during their
passage through The Sound and East R'.er.


Probobie Influence Of the Croton upon Tie
introduction Of NanufGctortes on fhss island =
Several letters were read, showing the comparative
cost Of working factories hy steam ana water power
and it was clearly Illustrated that Cotton tactori,s
could be erected on this Island at ccst not exceeo-
ing so per spindle, while in the Eastern States,
where thew are arranged 10 be driven by waller.
power they cost al least $50 per spindle. The after
cost Of supplying the power Is much IN favor o.
st-nm since the intr0duction ci The CTnton, Inc
whole amount Of COST of rent aud fuel not being
eoua TO the freight paid tie goods manufactured
az u distance from the market where they are 10 be
sold.


Founders and Machicisis have peculiar adTan,
tages over those in the adacen, towns OF Paier-on
Newark. &c. The freight On machinery iiom Pat
erson being $3.50 per ion, pays more ior ifelght
than The cost moth reht and iiit for It's mannac-
ture on this Island. To this may be added the
proximity 10 a market and the doing away the ne
cessity of paid agent IN town. TO Silk, Cotton,
Woolsn and other manufactures the advantage Of
being adjacent to machine shops renders repairs IN
case of accident more ready, and in many instances
the Intervention ola commission merchant, between
the manufacturer and the cousumerlsrenoeted unue-
cessary When 10 these advantages We add ihe un'
cer.aa,y Of regular supply of water power, from
drouehts and o,her causes il is really curious that
the upper part of our Island is not studded with
factories.


Effect of Croton Water on Diseases. Previous
10 the introduction Of the Croion, about per cent
of the cases received in our public hospitals were
gravel or urinary calculus. Since the Introduction
of the water, not one new case has been received
and in many old cases the calculi have been re-
duced. 4 member present stated thai his healh
which had been much reduced by gravel, had bsen
entirely restored since the introduciin ofihe Croton


Pure water boils al 2l2 degrees Fahrenheit, while
impure water requires greater degree OF heat for It's
-, 10 ul repnirfa numD
impure than pure water, ii being specifically bea-
yier. A gentleman present said that he found IL
necessary 10 uss large quantities OF water in mixing
colors for staining paper, &C., and thar their dura
bity and brilliancy were both improved by the use
of the Croton water.


For purposes of condensipg it is entirely superior
to that of any other public waterworks in this coun-
try, It's temperature being lower in the summer
time.


A member stated that friend in Philadelphia was
compelled in the summer months 10 use we'll water
instead of the Schuylkill for condensing: that The
SchuylkiIl River above Philadelpha was 80 shall
low that it was rendered as warm the atmosphere
by the direct action of the sun, and parted with so
much Of its carbonc acid from that cause as to make
IL less palatable than the Croton. The fat taste oil
boiled water as compared with spring water arises
only from the parting with calbonic acid during eb-
ulliton.


Some remarks were alsomade by the President OF
It's advantages for making mortar ard cements, from
the absence of deliquescent salts.


The President OF the Crotou Board, who was pre-
sent, made some statements relative TO lis adoption
for ship use and cited Instance OF some Crotch
Water being returned to the City efer after an ab-
sence orl2 months, perfectly sweet and in as good
order as when first taken on board.


A member suggested the use Of Croton water, TAX
ing advantage oi its great high, of column mo.
tive power for hydraulic presses, by increasing the
area of the ram 10 such size MS would render the
resultant force available for pressing books, dry
goods, cotton, &c. &c.


The Secretary rad several letters illustrative Of
the ioducement held out TO manufacturers 10 remove
| to This cip-some ofwhich gave results In hgures
which were hignly interesting, but from want o.
space We ara unable TO publish them Much desul-


tory matter Of practical kind occurred, but was roc
diHuse TO admit OF arrangement for newspaper pur.
poses, -


These meetings ara held every Wednesday even


ing at the rooms of the Institute in the Park and the
| public are ipvited to attend them.


|