FA. HM IMPLEMENTS. 123 



Sowing Implements. The sowing of seed is one of the 

 most important operations in connection with agriculture. 

 This may be performed either by hand, by a broadcast 

 sowing machine or by a seed-drill. The chief object to 

 aim at is an even distribution of the seed. The broadcast 

 sowing machine is composed of a triangular box from 

 three to six metres in length and is carried on two wheels : 

 at the bottom of this box is a revolving shaft on which 



Fin. 21. BROADCAST Sowivo MACIIINK. 



is fixed a number of pinion wheels and opposite each 

 wheel is an aperture Avhich allows the exit of the seed, the 

 flow of which can be regulated according to requirements. 

 A machine like that shown in Fig. 21 costs from seventeen 

 to twenty-five pounds according to the size. 



The Seed-drill is similar in construction to the previous 

 machine, but has scoop-wheels and, in addition, pipes 

 connected with each aperture. These pipes convey the 

 seed to coulters which cut a track in the soil in which the 



