Waves produced by any given Initiating Disturbance. 619 
--t2 
5 ° 
ae x 
“V6 J. 
—1 
+ sin 
pe 
= 
e 
2 
( 
Si = 
v5 © N 

4, Abscissas represent time, — cn/ 2 
v=2h, g 
— 
8 
6 
4 
2 
O 
y) 
