242 



6 

 (31.0) 



12 

 (60.0) 



22 



109.7) 



S 



(26.5) 



11 

 (55.0) 



21 

 104.7) 



4 

 (19.8) 



10 

 (50.4) 



20 

 (99.9) 



3 



(14.6) 



9 

 (45.9 



19 

 (95.1) 



2 

 (10.6) 



e 

 (41.4; 



18 

 (90.2) 



1 

 (6.0) 



7 

 (36.1) 



17 

 (85.0) 



flb. 



So. 



Photograph! of bobble In oil taken with « revolTlng drua cfcner*. 



Upper nxiabar - Identlfleatlon nuaber of photograph. 



Lower number (In braokwta) - age of bubble (In milllaeoonda). 



