174 



W. H. WARREN. 



2 12 



•3 10 



.5 18 



P 

 S 16 



I H 



u la 



a 12 



■ 14 



lis 



X 



1 lu 



1 8 



2 6 



-W 



^ 



'= Solid Can's Load Mcshdtag 

 Dotted - » Descending 



12 3 4 5 6 7 



Compression in units of *0008 inch on 8 inches. 



Fig. IV. £ 



