STEADILY ALTERNATING CURRENT ON A LONG LINE. 335 



of phase shift corresponds to 24° of LK mechanical-arc adjustment. 

 This adjustment is also illustrated in Fig. 5, where the pointer P 



Fig. 5. Time-controlling Mechanism of Circuit-closing Switch. 



Stands over the stationary scale K, and determines the position of 

 the brushes B^B^ around the sectored insulating disk D. One elec- 

 trical degree of a 60'-' alternator corresponds to /4i6oo of a second, 



To the Line. 



Fig. 6. Switch Diagram. 



