180 



0-2^- .- t~r-|»WiFAGt COfiPfCTIOH- 



1 



*i^!£!' ^'>^ ^'-^ '^ ^-^l -! 



, Ife«.«urt4e«-*f 



I 2 



JZl 



r-f- 



Li_..-i_..-^.-t-. 



ni-^ 



3 4 5 67 B9I0 



DEPTH BELOW 33 (t ABOVE SEA LEVEL ]o 'NON-DIMENSIONAL^ 



FIG 6 RISE OF BUBBLE AT END OF FIRST OSCILLATION 



