Examples of Good Waters. 
492 
Proceedings of the Royal Society 
No. of 
Colonies 
of Micro- 
organ- 
isms in 1 
Gramme 
of the 
Water. 
37 
400 
457 
394 
913 
Total 
Solid 
Matter, 
dried at 
220° 
Fahr. 
Grains 
per gal. 
19-5 
7*0 
13-0 
12-5 
34-0 
Hardness, 
Clark’s Scale, 
in degrees. 
After 
Boiling. 
Grains 
per gal. 
3-89 
*88 
2- 9 
3- 20 
5-81 
Before 
Boiling. 
Grains 
per gal. 
14-01 
2;32 
5-56 
5-21 
25-83 
Oxygen, 
Absorbed in 
Four 
Hours 
at 80° 
Fahr. 
Grains 
per gal. 
•0405 
•1107 
•0827 
•0963 
•0447 
Two 
Minutes 
at 80° 
Fahr. 
Grains 
per gal. 
•0323 
•0646 
•0215 
•0397 
•0297 
Albumi- 
noid 
Ammo- 
nia. 
Grains 
per gal. 
•0026 
•0052 
•0006 
•0017 
•0027 
Ammo- 
nia. 
Grains 
per gal. 
•000 
•0006 
•0014 
•0004 
•0003 
p a> 
S £ 
VI r-H 
d g. 
•g? 
S SL 
CO 
05 
!>. lO) 
C© XO 
O 
O CO 
i O . 
o‘g^ 
2 o 
fin<! 
S'* 
g 
O & 
00 
2 
Oh S3. 
§J2 
<1 
* § ° 
56 2 
rd 
Oh 
© bCO 
< 
iS 05 
•£ - * 
d . 
02 
o3 oi 
a o 
,_rH 
<35 
£ $ 
© fe 
d ^ 
CO 
©J 
I 
te 
© 
