CHAPTER XVI 



APPLICATION IN MILLS, ELEVATORS, AND 

 OTHER ENCLOSURES 



M^^ANY gases and other materials have been used 

 in mills and other enclosures for the de- 

 struction of insect pests. Gas generated from 

 sulphur is not only dangerous to inhale, but 

 is liable to injure manufactured products. The writer 

 reported several years ago the serious results upon 

 manufactured products in a mill where sulphur fumes , 

 were used. Smoke or fumes generated from tobacco 

 are not desirable on account of the disagreeable odor 

 and the after-effects upon grain and the manufactured 

 products. Both of these materials being generated 

 with fire, the danger attending application in mills 

 and other places is increased, and their use is seriously 

 objected to by insurance companies. 



On the other hand, carbon bisulphide has many 

 advantages over sulphur and tobacco ; it can be used 

 without danger of injuring either the grain or manu- 

 factured products, and is generated without the use of 

 fire. Yet many insurance companies will not permit 

 their patrons to use it, except at their own risk, on 

 account of its explosive nature when the fumes are 

 mechanically mixed with air. It is, perhaps, the safest 

 and most reliable remedy suggested for use in build- 

 ings and other enclosures where large quantities of 

 grain and other materials are stored, due largely to 

 the fact that its fumes are heavier than air. 



Sometimes it is desirable to use carbon bisulphide 



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