22 
The following are a few samples of different waters in 
which the iron has been determined as described above : 
Parts per 1 , 000 , 000 . 
Amount 
1 
Date, 
N'ame of Water. 
used in 
By new By 
As found by other Observers, 
1874. 
Analysis 
method KM 11 O 4 
Feb. 14 
Manchest. Water Supply 
5 litres 
•21 
1 
•287, R. A. Smith, 1864. 
Mar, 20 
1 „ 
•181 
— 
2 „ 
•175 1 
July 15 
1 „ 
•10 1 
— 
1 ,, 
•Hi 
Aug. 31 
» 99 
1 » 
•27 
Sept. 1 
99 99 
1 „ 
•18 
» 2 
99 9 * 
1 » 
■261 
— 
1 » 
•27 i 
Sept. 3 
99 99 
] 
2 99 
•301 
— 
>5 99 
1 „ 
•32 i 
Sept. 4 
99 99 
1 
2 99 
•38) 
— 
9 9 9 9 
1 » 
•36 i 
Sept. 5 
99 99 
1 
2 99 
•42 1 
— 
99 9 9 
1 „ 
•41 f 
Feb, 19 
Medicinal Spring Tre- ) 
friew, North Wales ) 
30. cc 
1600-00 
1575-50- 
Feb. — 
Chloride of Iron Spa, j 
Harrogate j 
50. cc 
290-00 
290-34 
289-40 H. Davies, Feb., 187-2. 1 
Feb. 16 
R. IrweU nr, Pomona ) 
Gardens ( 
1 litre 
•86 
Feb. 18 
R. Mersey, Northenden 
H „ 
•48 
Feb. 23 
R.Dane, above Cong’ton 
1 » 
•57 
— 
„ below ,, 
t 99 
•44 
— 
Li verpl. Waterworks, ) 
Jan. 3 
Coinpensa, AVater, t 
White Cop’ceHeapy ) 
2 „ 
•42 
Barnsley Water Supply 
2i „ 
■25 
Feb. — 
R. Thames, Lon. Bridge 
1 ,, 
•19 
Jan. 3 
Cockerhm W ell, Barnsl’y 
2 „ 
•075 
Feb. — 
New River Company . . 
1 „ 
•050 
Trace A Graham, 
— 
Lambeth ,, 
1 „ 
•044 
12-l(A)203&Fe203) >• Miller and 
— 
East London ,, 
1 „ 
•038 
6‘8( ,, ,, ) ) Hofmann. 
Jan. 3 
Friars’ Well, Barnsley . . 
1| „ 
•005 
1 
* The author hopes shortly to bring an analysis of this water before the 
Society. 
Ekrata. 
In the last number of the Proceedings, page 6, line 8, for 
Odontogigram ” read Odontogram. 
Line 17, for “ indentification ” read identification. 
