32 KOYAL SOCIETY OF CANADA 



the process of agglomeration, some suitable device for warming the 

 vater just at the point where it is desired to temper the effects of the 

 ice could be applied with success. The ice itself is harmless to machin- 

 eiy, provided it is at the freezing point. By bringing the surrounding 

 water to the freezing point, it is probable that little trouble would be 

 met with. 



