140 



THE ADVANTAGES OF 



IMPLEMENTS USED IN STEAM CULTIVATION. 



The implements used in steam cultivation are all made on 

 one of three principles : 



1. Balance implements. 



2. Turning implements. 



3. Implements which go backward and forward with- 



out either turning or lifting. 



BALANCE PLOUGH. 



Fig. 88 represents 

 Fowler's Patent Bal- 

 ance Plough, made for 

 two to eight furrows, as 

 circumstances may re- 

 quire, the construction 

 of which has been con- 

 siderably improved by 

 the patented invention 

 of the simple plan of 

 always obtaining an 

 adjustable width of 

 ^ furrow. The rigid iron 

 g frame, which is so es SQII- 

 tially necessary to all 

 s steam-driven imple- 

 I inents, is still main- 

 I. tained, and the altera- 

 i tion of the width of the 

 furrows is effected by 

 means of a wedge, which 

 throws the ploughs at 

 different angles to the 

 frame. This wedge 

 does away entirely with 

 bolts and screws, and 

 renders the position of 

 the ploughs thoroughly 

 rigid, at the same time 

 is the best means of 

 altering the width of the 

 furrows. Several opera- 

 tions can be performed 

 by this implement with- 

 out much alteration. 



