Figures 3 and 4 show more recent devices of this nature. The 

 tanks are in both cases made of galvanized iron and have a capacity 



Fig. 3. Horse-shoe form of tank. A tank similar to this might be 

 readily adapted to any two-row seed sower. 



of two gallons. An improvement over the earlier apparatus consists 

 in an iron rod attached to the valve and leading to the handles of the 



Fig. 4. bhowing tank suspended between the handles of the sower. 



sower, by means of which the operator can adjust the flow at will. The 

 horse-shoe form of tank shown in figure 3 has the largest use in the 

 Connecticut valley. 



