Dale. 
— 
Depth of wat :r on sand 
Reservoir Level 
Filter Head... 
Rate of filtration 
Rain in previous 24 hours 
Remarks 
] une 9. 
2.32 
•15 
2.6 
Nil 
in previous 48 hours .86 
Filter changed 15 hours 
previously. _ 
c 
to 
ao 
u 
O 
IH 
o 
6 
£ 
c 
o 
aJ 
a 
o 
G 
'S 2 
<D 6 
l/) 
vs 
jg Sn 
gtj 
O G 
(J cd 
S3 
s < 
June 13. 
3.02 
.17 
Nil 2 days. 
</) 
e 
ci 
bn 
Wl 
O 
«-*-t 
o 
6 
£ 
G 
O 
3 
a 
o 
•G 
G 
Intake 
1,265 
4 - 
4 - .4CC. 
250 
Reservoir ... 
3 2 5 
4- .4CC. 
55 
Inlet to Filter Bed 
245 
4 - 4CC 
24 
Filter 
1,290 
+ 
1 
J 4 - - 4 CC - 
230 
a o 
ps 
*3 g 
<D g 
V. Ji 
5*S» 
j* 
C T3 
O G 
CJ 03 
S3 
-i 
June 15. 
3.14 
• 17 
2.6 
Nil 4 days. 
rt 
bn 
u 
o 
o 
6 
£ 
G 
O 
3 
a 
o 
G 
a s 
.a ^ 
« a 
cn ^ 
V* 
<D 
03 
bn 
'gtj 
O G 
(J <d 
— . 2 CC. | IO4 
+ - 5 CC \ 1 66 
— . 2 CC. ) 
— . 2 CC. 5 1 
— - ICC - l 258 
— , 2 CC. ) 
+ 
+ .4CC. 
4 - - 4 CC. 
+ - 4 CC 
— .4CC 
n 
[ IO ] 
Table II. 
June 20. 
2.62 
June 22. 
2.72 
June 24. 
2.4 
18 
.22 
June 28. 
Rate of filtration reduced 
for test purposes. 
July 6. 
2.66 
16.5 
.26 
2.52 
Nil 10 days. 
July 14. 
2.6 
15 
.28 
1.2 
.28 
Rate reduced for test 
purposes for 15 hour s. 
