318) 
= le Bae) ae 
te 
ja e8 Be 
o 
1200 
1000 
° o o v N ° 
ae HS 
a MA aes 
2 ene eae [ia 
8 
3) Set ae 
|) a 
meme cl 
mmo fi 
SARE 
CASON ISTE 
Suun=cao ae 
120 
80 
60 
40 
ES AT THE END OF THE 
(t= 15xIO § secs. ) 
3 ; 
2 g 3 
ees oa 
Tea EI 
fa 
Za 
ee 
See 
g 
llth. 
THE 
BIOPEE 
) 
secs 
t=-40x Io > 
Sth.STEP (t-5-4x 1O%secs 
AND THE 20th STEP 
STEPS THE PRESSURE DROP IN THE WATER JUST OUTSIDE THE EX 
UNITS AS IN FIGS. I. AND 2. 
- 7-4x1!OSsecs.) THE (Sth. STEP 
(t 
FIG:3; PRESSURE AND VELOCITY CURV 
IN THE 5th. AND 2Oth. 
GAS IS PLAINLY VISIBLE. 
STEP 
