865 
e;= PoL/P ce = damping time of piston. 
A= resistence coefficient. 
M= coefficient of viscosity. 
f = density of water. 
fez density of block. 
ee density of piston. 
@ = angular coordinate. 
WY = velocity potential. 
Ye = velocity votential of pressure field due to explosion. 
= velocity potential of pressure field due to gauge. 
Sake Roe 
- VII - 
