Van Mater and Neat 



-'^ ■r nJULLKKAA . flu^MSA. 



Wvl66 



■ A CA^AJLil^/jJL^. foMfe - 





' -^^wCTA/O^ ' ^ 's?iflfi» -ftzyv^ •m^ — FT^r-^ir 



20 M *o SO eo 70 eo 90 



time — t»tVg/ho 



Fig. 6, Prediction of wave system on axis for moderate explosion 



ni£iii>£oi> 



20 >0 40 90 eo 70 eo »0 



time — — l = iyg/h(, 



Fig. 7. Prediction of wave system on axis for large explosion 



256 



