FOft AMERICAN VINES. 



41 



the traction of the 

 plough (Fig. 21). 



horses lowers 



Working. It 

 works like any 

 other movable 

 gin. It is strongly 

 built, well studied 

 in details, and 

 only costs 34. 

 It is one of the 

 most practical 

 machines offered 

 to viticulturists. 

 It generally hauls 

 a plough specially 

 made for it by the 

 | same firm (Fig. 

 | 19). It is a simple 

 .2 Brabant, provided 

 1 with a seat for the 

 I ploughman, who 

 can easily regulate 

 | and direct the 

 | plough by means 

 | of a lever placed 

 |!in front of him. 

 | The depth of 

 ^ ploughing is ad- 

 s' justed by a screw 

 on the forecar- 

 riage, the width 

 by the lateral dis- 

 placement of the 

 wheels. A special 

 truck (Fig. 20) is 

 easily placed 



under the frame 

 for returning the 

 plough to the 

 starting point. 

 The wheels of the 

 truck are fixed on 

 a right-angle lever 

 in such a way that 

 the wheels, lifting the 



