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Fig. II Showing the details of a small sterilizing apparatus, i, 2, and 3 represent various 

 sections of a box furnislied with tile and capable of holding 15 cu. ft. of earth, (m) steam pipe from 

 boiler, (p) four way connection which enters the tile. 4 represents a cross section of a zinc lined 

 box and cover for sterilizing pots and small boxes of soil, (a) valve or hole for drawing off the 

 condensed steam. 



