WATER SUPPLY AND IRRIGATION. 165 
more generally made to utilize this power. When it : 
been practically tested and the results are presented in a tangible 
form, there is little doubt but that it will be extensively used by 
who are interested in the adoption of a cheap means of raising 
water, whether from wells or tanks, whether for stock watering oF 
Great difficulties are often experienced in letting these sae 
lore particularly during dry seasons, when the want of water an 
thi 
30 to 40 per cent. above the price for which it could have been 
ne mM good seasons. This is the necessary consequence 
