244 



ALKALIMETRY. 



and convenient, and can be very easily made by the 

 analyst himself, is that represented by the adjoining 

 figure. It consists of a glass tube, about 0.01 metre 



Fig. 31. 



in diameter, which is divided into 25 or 50 cubic cen- 

 timetres, and drawn out to a point at the lower ex- 

 tremity. To this open point is attached a narrow tube 

 of vulcanized caoutchouc, about an inch long, and in 

 the lower end of this tube is inserted a short glass tube 

 drawn out to a narrow point and cut smoothly off; 

 this tube serves for dropping the liquid out, and is 



