SUBJECT INDEX 



243 



Wind waves (cont.): 

 growth, 143 

 height, 135, 141, 142 

 interference, 139, 140, 144 



illustrated, 140, 144 

 length, 135, 136 



table, 136 

 long-crested, 140 

 motion of water particles, 137, 138 



table, 138 

 origin, 133, 143 



Wind waves (cont.): 

 period, 135, 136 



table, 136 

 short-crested, 140, 141 



illustrated, 141 

 shortest possible, 134 

 steepest possible, 137 

 steepness, 145 

 velocity of progress, 135, 143, 144 



table, 136 

 wave trains, 139 



