The Sun.
London, England, 1852-10-18 00:00:00

GUTTA PERCHA PIPING.

To make pipe, the softened material is forced through
a die, the pipe as it forms being drawn away from the
die through water to harden it. The mode of j,iining,
the pipes is very simple and beautiful, hot water and u
little skill being all that is needed. There ECOCCS good
reason to believe that piping of this material will be
very extensively used. The testimonials in favour of its
use for conveying water and other fluids are numerous
and strong, slthough necessarily the experience is com-
paratively short. We regard it as of the utmost im-
portance that the fact of its endurance should be estab-
lished, as, that being proved, we shall then be able to
got rid of the noxious lead-piping through which water
now flows to our dwellings, and the, still worse, lead-
lined cisterns. Tho ability to make pipes in very long
lengths, too, will be valuable in many cases, as, for in-
stance, when it is necessary to lay pipes under water. To
convey the Croton water to Blackwell's Island, New
York, a distance of 1,000 feet, the pipe was made of
gutta percha in one length, and, by means of a line of
boats, was lowered into its place—with small anchors
attached at intervals to keep it steady—in seven sninutes
and a halt'. As to the strength cf gutta percha pipes,
we have the evidence of the engineer to the Birmingham
Waterworks that a 200 feet head of water and the " ram'
caused by shutting it off suddenly produced no effect;
proving their capability to withstand hydraulic pressure,
whether steadily or intermittently applied. The cost, us
we understood, is at present about the samo us lead, but
then expense is saved by the absence of joints. It may
be well to mention that where pipes or other articles
made of gutta percha are exposed to the direct rays of
the sun, they should be painted white, as this effectually,
it is said, prevents the material irons softening. The
a
youngest of our readers, of course, knows why. At the
esaeleln in
Double operation,comp o
Lambeth Gutta Perchit Works, where the same pro-
cesses adoptunthde,ycont aini
of ogr,
ppipes,pare na:
what
theyret
ly,
India-rubber mixed with the
duces a more flexible
article, and if proved to be equally
strong and
will
cornlasting (of which there seems little doubt),
e largely into use. Small tubes of this com-
ppund are very
lity is welt suited for all gas-work where flexi-
required,
union joints the beer
cask with the drawing machine: a
many places, thebore is found to be very useful
iii
minute.—Budder. connexions being made in about a

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