WATER STORAGE AND CANALIZATION. Sit 
With this brief allusion to the ancient tanks of India I shall 
concludemy descriptions of the celebrated water-worksof antiquity, 
which, as noble monuments of the skill, patience and perseverance 
of their architects and constructors, merit our highest admiration. 
The precaution ‘of the ancients in covering conduits that supplied 
drinking-water proves that they were fully impressed with the 
nporti f such construction as a sanitary measure to preserve 
the coolness and salubrity of the water, whilst their construction 
humerous irrigation and navigation canals indicates their 
thorough appreciation of such works for the development of their 
commerce and industries. 
The revival of hydraulic science in modern history may be said to 
have commenced in Italy about thetenth century, when several large 
u were constructed for irrigation purposes, which later on were 
modified so as to combine navigation. In the 15th century 
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of water in the Paduan Canal, and by this means he succeeded in 
uniting the two navigable canals of the Adda and Tesino. This 
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64 feet, and its length 148 miles. Its summit 
It is 48 feet wide at water-level, 53 feet deep, 
It unites the Sadne and Loire Rivers, and its 
me Yiver Po, Though constructed over a century and a 
It is still considered as a model of engineering skill. 
