1007 
Table V. Data of experiments on oblique reflection of shock waves from 
0 te) Water-a rface, and from ocean surface. 
Estimated 
Charge Charge-to- peak pressure 
Charge below shock at time of Angle of Qualitative 
Pig. Film bs surface front photogra; incidence description 
No. No. (g (in.) (in. ) (1b. /in.~) (degrees) Surface of cavitation 
57 = 281 25 6 20 44,00 73 Trough Heavy 
282 25 4 3800 81 " Heavy 
( Fig. 58) 
58) 9283) ) 250 2 45 3700 75 " Heavy 
284 250 8 46 3600 80 . Light 
( Pig. 59) 
285 25 12 45 2000 75 Ld Heavy 
(| Fig. 57) 
286 25 12 50 1800 76 " Moderate 
Fig. 60) 
59 288 25 12 68 1300 80 " Light 
289 25 12 70 1300 80 ® Moderate 
(| Fig. 60) 
297 25 12 73 1200 81 Ocean Moderate 
Fig. 60) 
401 25 g 75 1200 84 Le Light 
( Fig. 60) 
60 402 25 wu 1 1200 79 te Moderate 
33 15518 
