CHEMICAL EXAMINATION OF RAW MATERIALS. 



205 



ated, commencing from the top, into whole, one-tenth, and one- 

 fifth cubic centimeters. The lower end of the tube is drawn out 



Fig. 45. 



Fig. 46. 



to a somewhat distended point, so as to allow a rubber tube to be 

 drawn over it and securely fastened. In the lower end a glass 



