= Ft. | sec. 
Water surfece velocity 
4,000 
3000 
2000 
Fig. 4. 
WATER SURFACE VELOCITY 
Charge axis vertical 
Depth Zin. 
Charge axis 
horizontal 
Depth 2 in. 
Charge axis 
horizontal 
Depth 4in. 
Cherge axis 
horizontal 
Depth 8 in. 
Height above water surface — Inches 
VELOCITY OF WATER SURFACE DUE TO THE DETONATION OF 
A SUBMERGED 40z. CHARGE OF CE. 
