164 TANKS AND WELLS OF NEW SOUTH WALES, 
and that the waste of water by evaporation is greatly increased 
by its being allowed to run into and stand in the drinking-tank.” 
r. Bruce might have added too, that the inlet pipe from the 
main tank to the drinking-tank is very liable to be silted up and 
rendered inoperative. 
On 
meet the urgent wants of the Cobar township and mine, and to 
secure the trade from that important district for the Sydney 
market. 
should be adopted in all future works ; and type drawings have 
= prepared which, while showing some alterations in detail, 
- eae : 
e 
works of this class carried out by the Department. 
The main alteration in the details of construction is the employ- 
ment of pumping gear in lien of the M‘Comas water 
The use of pumps for increasin, ge by lifting water 
a as g the storage by lit vce’ 
ete embankments, in cases where it collects outside the works, 
os Seen considered and approved, but the power to be employ” 
