CHEMICAL, CHANGES IN" CALCIUM AESEITATE. 



17 



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Fig. 29.— FS-1 (25 pounds in metal dram). 

























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Fig. 30. — FS-3 (25 pounds in paper-lined sugar barrel). 







































































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Fig. 31.— FS-4 (25 pounds in hardwood barrel). 





































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Fig. 32.— FS-5 (25 pounds in unlined veneer (}ruin). 



