CHEMICAL CHANGES IN CALCIUM ARSENATE, 
SS eae 
embaarrine | han’ | ee nomen Ire ade 
SO O_o Lo”. 4 O 
e 
> 
Fig. 31.—FS-4 (25 pounds in hardwood barrel). 
Fic. 32.—FS-5 (25 pounds in unlined veneer drum), 
~ 
