New-York tribune., 1876-07-01
THE HYDRAULIC MACHINERY.

THE HYDRAULIC MACHINERY.
TIE VARIOUS MINDS OF PUMPs-NEw INVENTIONS
METHOD OF CONsTRUCHON-STEAMF FiRE-EN-
GINEs-THE ARTIFICIAL CATARACT. Co..
lYKon An OCCASIONAL CORRESPONDENT oF rhE TrTnuSEl
Pyy,.s,Jr,,PHIA, June 20 Tine II ydririiio 2flI-
uex containing tine greater part of the special maohnery
for the raising and forcing OF water is crowded daily Oy
Thousands Of visitors who are perhaps cooled III naSna
tion Dy the dashing waters Which pour from numerous
pipes into the grea; tank in the center TINS tank oo
feet long 60 feet wde and feet deep In front OF TINS
tanL eats are provided 1or the weary gayers, and
srou, are placed puinps Of all varieties and slzeS,
from .El ltiful Intricate steam hrs-epgno ghsteh-
ing wthnuass, nickel plate and silver down 10 the t!
model bulfof delicate glass Fan-bowers oil dn rem
sizes send forth breeze. holding ball In ar as
evidence its power Pyramids Of pumps are scattered
around giant pumps posted like sentDes ready 10
show their power whea touched by the magic breath OF
steam Pipes from inch TO eight inches IN diameter
are pornug forth solid columns OF water "hch iai
with 'aea,y splash into the tank, or throwing tny
streams out m curvng jets of graceful spray nearly 10
the high uussed roof while for background 10 the PIC
ture there Is the Wine vail of the artificial foi 80 ee
10 inches wide and 33 feet high
Passing by the array of steam hIe-engines the
right of the pasaagcway, comes TO tho assembled
pnmps of the Flake Manufacturing Company of Boston
In the rear of their exhibit stands a m0nstrous
pump weighing tons Its pstons vibrate to and
tro u very sort OF way. 1t has double pllnger
tsy
cylinder and the otter forces out during each part OF
the stroke-and capable Of forcing stream OF water
800 feet high through diseharge-ppe 10 Inches IN
diameter The most noticeable feature In this KIND OF
pumps theiFremovabe cylinder In when the piunscr
vork This is of brass inside of tho casing or ordinary
cylinder BY removing the cap cylinder heac' the
inner lining can be bored again, dressed or
fitted over the shop without disturbing any cf the
other paris The Of the pump can be increased oy
putting in small ,rnder and plung'r in lieu OF 'he
ordinary s!ze thus adapuns tae engine 10 all crcu-
stances under which it may bo placed, In deep dheS'
where the pump may be removed to successive levels
The pump throws abJut 1000 gallons minute into tie
tank.
I Bagley q sewalps rotary force puIap. is an In
ventOn not quite swO years old. With ten-neh sue
tion and eieht-inrh di charge driven with pulley 80
inches In diameter at speed bout one hundred revo
utions minute, IL discharges ae"rt Loo gallons oil
water This Is curiosity of mech 'Isn, not only for
simplicity but for ngenuity 1t consists informally of
circular eccentric. which driven around by the power
and forms tn" pump Tnere arc two rings of metal
%ileh touch and Ut this eccentric one externally the
other Internally anG cunning device Of pieces
and fro on. the faco OF the inner and outer ring
To all but meehanics it rerain mystery
little tnmbing cascade carries down box built steps
ana o09 Gallons of water minute are delivered at its top
make about l0gO revOlutiors minute. This the
propser wheels placed about res feet apart on afs
These revose inside tnbe Tea hing from the bottom of
down or on an incline belt the power. and away IL
s1ss ees sand STICK ms small gravel S being no hin
nrs w,n deliver 10000 gallons = minute II has water
oeafer OF o e0htiYance whereby the whole weight
Of The reyolypF machinery and most OF that OF the
column o. water Ifted BY the pump is sustained the
top OF the column. the spindle running 70 tho waer N
which II rests instead OF resting bearing al the
bottom Of tie - ait standing urX' this pump is mum
and OUT of tAcul~harmiess looking affairs OF a
Quaker drab color, studded with nuts and bolts. These
are the Andrews centrifugal IJ'mps Why, the name "a
pretty nearly as bg rs the pump! The great cataract is
the product Of OF these pumps OF only ID inches IN
diameter. running at speed Of $50 revolutions per
minute, driven by single Oseatng engine OF 20 inches
cylinder and l5lnch stroke To the unintiated the
meaning Of the terms Of "rotTy" "centIif-
Ugal" not very clear, 80 VIII SAY
that q rotary pump acts by means OF appliances
which draw aud force the water simultaneously by r."
tatine or rovolying machinery, while centrifugal
pump kes the water at tie center OF the rotating arms
by carrying il TO the circumference and impes it for
ward By the pressure behind Of the volume constantly
thrown by the centrifugal force II drives water IN
the same way That fanwheel drives air in blower or
wheat fan the difference being that the inner wheel
capable OF variety IN FORM and operates upon hud more
difficult 10 manage thGn air The Andrews wheel Is con
CAL fits in coIica box case, has straight arms or
feathers on the inner anw 10 mpart tne mPOh 10
the water ana the huid IN enormous quantities
from 20 20 80 feet In hight Ihe pump Of the kiha
shown pours out $1,000 gallons OF waller minute 10 sup
ply great cascade Differing from II In construction
s the co9flfGgai puinp c or IN n'1o cSr 11 chamber and
throws IL sut through the center OF iOuf icNoiN-
~ pump throws 5000 gallons "A minute, making
80 revolutions ard % in the opera
top These pumps either vertically horizontally
and one style made either way, by means OF
capper shifting diaphragm which set IN TIC throat
of Discharge 10 the direction required Gdncihg
away from these useful ana curious devices, one sees
.omethipg waving slowly to and fro IN a glass anA with
I'm uncertain SOFT of motion and bnbhlns and saslng /
like a drowning \ little nearer approach reveals /
q couple of cham like two rimes, hats, which |
act as n playing game Of seesaw under water TINS
ia the automatic compressed air pump which rams by |
means OF a windmill power instead OF steam IL - de-
signed household purposes aud delivers from an men
70 an inch and half stream constantly 1t will also force
water through thousand feet of pipe 70 hight of 90
feet or over desired. Tho compressed air drives tho
wafer out OF one OF the up the delivery pipe thon
a. rns over and drives the wator ont OF the Other
and 40 1t goes. II will not freeze, works down
nt the bettom Of the well, and is slow but sure.
Standing near this Is the Gould Rotary Force pump
coutained inside OF box shaped Ike hzue or two
eheases oined together These powerful active little
pumps consist OF two cams armod wheels, which re-
volye toward one another The fit the outer case
of the punp nicely, as 10 permit nc water 10
escape and US they nterock In the middle OF the pump
they pass the water through them, making small
chanbers which alternately opentd and closed AZ
the extremity touches the heel or base OF Its
In the opposite wheel Thoy thus force continuous
atream without any air chamber which atter forms
in all Or