138 THE DEEP WELL WATERS OF SYDNEY. 
in the cases sr vergence opened a new 
The bore, 
gy — the water, and allowed more water to rise through it 
crevices supplied, ana Pantie a slight flow was 
established from the sea to the bore along the old channel. 
If this os was saseiag = Faorr of the chlorine to the free 
d albumi water should be the same as 
that oleered in ree increase i vena constituents in the well 
water. To determine whether this was the case, a sample of sea 
water was obtained from Lavender Bay at high-water sprin 
tide, and was found to contain 1,369 grains of chlorine per 
on. Now, to obtain an increase of chlorine from 16:18 grains 
r gallon (the Seat ae of the Sugar Company’s water when 
st obtained) to 21°05 (the average of the water on steady 
pumping), would require 1 part of sea water to 228 of the 
sale 9 
ce. of Sydney water, and the free an Sapenor a ammonia 
Setebndand in the mixture, with the following result : 
Free ammonia in mixture ... 0°12 parts per million. 
Less amount in Sydney water 0°01 
0-11 ” 
Free ammonia in ein water 0°27 
of June 26th, 1877 “s 
0°38 ” 
Average of six _ determina- 
tions, in March and SPs 
1878, i in water from bore 0°325 
Albuminoid ammonia in mix- 
ture Arr 0-48 +6 
Less amount in Sydney wean: 0-08 
0-40 
Albuminoid in well water } 0-01 
in June 26th, 1877 ” 
O41 
Average of six oe 
173 — and oder 0:397 
Seg 
