616 



Frame 



No.1. 



t = 0.037 sees. 



from first 



liPpearance of dome 



No. 2. 

 t = 0.074 sees. 



No. 3. 

 t = 0.111 seos. 



No. 5. 

 t = 0.185 sees. 



K0.7. 

 t = 0.26 sees. 



No.15. 

 t = 0.55 sees. 



No. 25. 

 t = 0.93 sees. 



Scale 



50 100 150 200 ft. 



CiMAvhPireD DCfTM of oeTOhtfsfTiohC zy Feer. 



