2.5 



T r 



CO 



o 



0> 



O 



I 

 H 



O 

 UJ 

 IT 



a 



z 



ID 

 X 



U) 



2i 

 o 



0. 



- I 



1938 1940 



1945 1947 



1950 



1955 



I960 



Figure 19.— Total take of wool sponges and value, 1937-62. Line A gives the value of wool sponges alone. Line B 



gives the total take of wool sponges. 



61 



