Chap. VI Engineering
Engineering taught by the Brahmans 464
Rude methods of labour 464
Military engineering unknown 465
Early attempts at fortification 465
Fortified rock of Sigiri 465
Forests, their real security 466
Thorns planted as defences 466
Bridges and ferries 466
Method of tying cut stone in forming tanks 467
Tank sluices 467
Defective construction of these reservoirs 467
The art of engineering lost 468
The “Giants’ Tank” a failure 468
An aqueduct formed, A.D. 66 469