140 THE DEEP WELL WATERS OF SYDNEY. 
come under my observation. For example, three different waters 
from the mines of the Australian Agricultural Company at New- 
castle gave— 
Nowd: 
ee a iron . Wie ah ie 3°01 grains per gallon. 
Alum es i = os 9°35 “ m 
Lime ... bes ea ua 8:18 vs ” 
Ma aut da ae “ae 2°55 ys ” 
Chloride of sodium wei _ ee 8:48 ‘i w ; 
tease ie oxide ii se she MB BO Sy 9 : | 
Phospho ze im te wn eracee 
Silica ee es es Zu 2°46 ‘ 5 
Loss on 1 ignition ei ig .. 6126 de % 
Total solids.. 206-8 i is 
of which 5-45 grains was itinotuibte after evaporation. 
No. 2. 
Alumina vee es uA ... 4070 grains per gallon. 
Lime os i di 4°37 Ps 
Magnesi ee ee ee). erat ‘ 
Chloride a sodium .. a ie S364 = “ 
5 po otassium des ... traces 
seu see nee 0:90 ” 
Sulphuric oxide as on f° e640 . J 
Phosphoric ,, we bac ... traces 
onignition ... bs we NODS 4, 9 a 
Total solids .. st °267°32 32 : | 
of which 13° 99 ¢ grains were fnsotiatile 3 in water after kpesitiba. : 
No. 3 : 
Alumina as 10:28 grains per gallon. : 
Lime ... Ss 1298, : 
Magnesia = 19°19 = és od 
es fe 13°70 ‘ 
Potash... oes ‘ -. traces 
Chloride of sodium se ue 8°86 9 ” 
Silica .. Pre, sie ive 454 me ~ 
Sulphuric oxide oe ape ie «90-90 F ” 
Sulpbhyde m ot det --. traces 
ydric acid... “- ie 0:05 ‘ 
Loss on ignition eas ssi. OOOL : ¥ 
Total solids .. 26890 
of which 29°45 pina at were itablable after seniatiaes 
