437 



2R\2R 



^.00125 

 0.0015 

 0.0020 

 0.0025 

 0.OO3O 

 0.0035 

 0.0040 

 0.0045 

 0.OO5 

 0.OO6 

 0.007 

 .005^ 

 0.OO9 



o.oio 



0.0125 



0.O15 



0.0175 



0.O2O 



0.0225 



0.O25 



0.0275 



0.O3O 



Critical Buckling Pressxire 

 P (p.s.i.) 

 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 



13 



