Washington standard. [volume] (Olympia, Wash. Territory) 1860-1921, 1878-01-05

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p" Ihs saefsoa pzps. 10 WINCH tkr~s
dzzniegrxsing or diggsnx- psp~s are
attached, 10 lowered thrUaxe Q vegI
In the boat consaznsag ths machlnexy,
unsi ia lower end rests upon the
material 10 be elevsfed; o varuun 10
then formed by dnving the air from
the vacuum cylinders by steam from
the boilers, and At the precise mo-
ment when the air is thus expelled
the steam is condensed by the sudden
injection of cold water, and under
the pressure of about fifteen pounds
to the square inch, up comes the ma
terial from under the pipe, whether
it be mud, stone, gravel or clay.
When this material has ascended
through the pipe to the vacuum
cylinder the valves close, and the
valves close, and the application OF
steam from the boilers under the
pressure of 100 pounds to the square
inch, the dredged material is elected
through the discharge pipe to any
point several hundred feet distant,
in any required direction. There be-
ing two vacuum cylinders working
alternately, governed by q large
dome, a steady discharge without
pulsation is effected and without
raising the suction pipe from its point |
of contact with the material to be
dredged. The suction pipe is con-
structed upon the telescope prin-
ciple; the depth Of its operation be-
ing determined by the number and
length OF itsjoints. Il my b low.
cred vertically, rotated against the
material to be raised, or deAscted to |
an angle. The action OF the "dig.
ging" or disintegrating jets is simply |
The penetrating force
of the streams Of water elected from !
them at the amazing velocity Of 200
feet per second must be at once ap-
parent, and they are 80 directed as to |
cause, by the reaction Of the water,
. motion towards the mouth of the !
suction pipe, Of everything disin-
tegrable with which it comes in con-
tact. Stones weighing 60 and 80
pounds, in fact of any size which will
readily pass through the 18-inch dis
charge pipe, are hurled out - readily
Is the smallest pebble. Cabls-chaip,
large bolts Of copper and iron, have
been raised from old wrecks in GAL
vaston harbor by the Newton Dredge
IN Use there"
We showed tho picture Of the
machine and the foregoing descrip-
ion yesterday to Mr.. Samuel Cal
houn, whom we consider the father
# one of Puget Sounds greatest in
lustries-the reclamation OF tide
and for purposes Of agriculture. He
it the very thing needed
n Whatcom county for the reclama-
ion of the swamp lands, and says
,het the machine should be smaller
han the one built for San Francisco,
70 - to ascend the small sloughs
vhich meandsr through the delta of
he Skagit. By elsvating the rich
'sdimsnt from those al0ughs and
Jumping il into the edges Of the
I've cubic yards Of lsvee
'ould be b91t in IL s.ms tins thas ,
. nov rsqIssa 70 put up oss. ssd
{ half he cosG- furth9Doss. Il
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