INDEX. 223 



PAGE. 



W 



Wash-dirt containing a pound of G-old 74 



Walton Mine, notice of 77 



Water, Permanent Water Supply to Sydney by Gravitation 97 



Woronora River 100 



Water-power obtainable by Mr. James Manning's Scheme Ill 



Water, Metropolitan Water Supply 121 



Water Supply to Sydney by Gravitation 126 



Wrought-iron pipes for Aqueduct , 131 



Woodbury type process of Photography 146 



Y 



Yan Yean Lake, Victoria 127 



