TABLE 27-IV 



c=2.1 c=2.2 c=2.3 c=2.4 c=2.5 c=2.5 c=2.7 c=2.8 c=2.9 



:3.0 



c=.l 



TABLE 27- VI 



c=.3 



c=.4 



c=.5 



