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145 
Water from a Hot Spring, New Britain. 
By A. Liversipez, Professor of Geology and Mineralogy in the 
University of Sydney. 
[Read before the Royal Society of N.S. W., 1 September, 1880.] 
THE sample of water forming the subject of this note was collected 
from a hot spring in one of the islands of the New Britain group, 
by the Rev. George Brown, Wesl missionary, to whom m 
amounts of 
but little information as to the actual quantities contained by the 
Water when freshly collected. 
€ residue left on evaporation to dryness at 100° C. amounted 
to 36,312 parts per 1,000,000, or 2,541-84 grains per gallon, which 
18 about the same as average sea-water. 
Composition of the Residue, dried at 100° C. 
’ Parts Grains 
sc bateuonins roe = gallon. 
a. 200 72°6 5°08 
Alumina and iron sesquioxide...... “440 159°7 11:18 
Calcium sulphate ..................... 1-394 506-2 35°43 
a See 2°240 813°4 56°93 
Magnesium chloride .................. 4710 1,7103 —‘119°72 
Sodium chloride...................... 87°320 31,707°6  2,219°53 
Potassium oi trates SS in 
bined water 3696 1,342°2 93°97 
100000 36,3120 2,541°84 
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