Fig. 27. 



Various kinds of harrow 

 tools. 



No. 1, disk harrow; 2, spike- 

 tooth harrow ; 3, Acme 

 harrow ; 4, spring - tooth 

 harrow, with side frames ; 

 5, sulky cultivator ; 6, 

 spring-tooth harrow ; 7, 

 Morgan spading-harrow. 



