- defence of this harbour, it
cnecessary
, construct it of such
Theight
as
to
to keep out
а
torpedo boats and small recuts. From lient Purey- ¿ Custo observations of
direction
f
the
the tidal
streams, I should. improbable that
it was
say
a breakwater
Kellett's bank would;
interfere with the ejectinent
"It
well to ensure
of the city.
"; the survage of
night, however, be as
frequent changing of the water in its neighbourhood; and I venture to make the following enggestion
ui
one which
may help
ao
to
reconcile the various objections which have been
raised: -
Leb
Leta
breakivater
of
147
loose)
straight
quarried stone be Constructed in a
line
pom
Green Island)
in & N. E. direction for
3,000 yards, which, when completed, would have
as
it at
ch
as
12 feet
low water
tide ie when the
spring water is at a level of 5 feet on the dockyard tide poles. This would keep out battle ships, belted cruisers, and, all vessels drawing 19 feet - at high water highest spring
free circulation
tides. a
of
water would be maintained' over the obstruction; jucks of reasonable size could beat about over it; and the cost would, I presume, not
be
More
than
half hat
of
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