Various Patterns Required, 1S7 



convenient, especially in ploughing ciose to fences. 

 Wherever the land needs to be thrown all one way the 

 swivel pattern comes into requisition. 



The different patterns of ploughs which should be 

 provided include one ver}- large and one of medium 



(I) Sub-Soil Plough. (2) Double Mould Board 



size (both land side), and also a sub-soiler, of which the 

 form and operation may be understood from the cut 

 here inserted. Each of these is to be worked with two 

 horses. As already said, where much ploughing is to 

 be done, a sulky is ver\' useful. Provide also one (side- 

 hill or) swivel plough for one horse, two single (or one- 



