13
without the assistance of any intermediate
vertical shaft frone
· both sides of the
mountain, with the intention of meeting. zonewhere wear the riiddle. The
were
boring
io being conducted by percussive machinery) driven by compressed air and the replosive steed is colusively dyreauuite. Operations score begun. on the Jylain and in April and on the Victoria end in July of tast year; (1883) practically, therefore, the tunnelling has been in hand now your, and a lougth of min
about
fifton hundred and thirty feet has been Completed, the whole.
11.
ar a
little over a
a fifth of
The extraordinarily hard and
of the
•able nature of the rook
unfavarral
traversed 110 less than the
шашн
minor
minop
- difficulties that uuest necessarily beset 20 heavy aw undertaking
in a
as this
country so for recoved from
the
many facilities and advantages enjoyed by
similar works wearer home, have tended to retard progress during the first year of the initiation of this work ; but it is____ confidently anticipated that the substitution of the heavier driving machinery – 8891 shortly expected from England will
6821
greatly accelerate speed and enable the wines in the two heredings to effect a juuction by 1887,
12.
The masonry
daw outlet
works and bye- wash it is expected. will be finished by 1886, but although the new reservoir may be ready
for.
Adve
:wearly a year before the-
tunnel