HIGH-TENSION NET-WORKS 55 



country possibly four or five hundred miles wide. If we 

 assume that the 240-mile line to Los Angeles is profit- 

 able, and that a similar line might have been built in the 

 opposite direction, then that city might have been in 

 the centre of a district 480 miles across, without power 

 of its own, and yet receiving power from one large unified 

 net- work. There is, of course, also no reason why steam- 

 power plants should not be connected to such a net- 

 work as well as water-power plants. 



