SUBSOILERS. 





106G 





M B. JONES. 

 SiibsoU-Plow. 



Patented S«?pL. 'l\ 1^(17 







NICHOLS & CLARK. 

 Subsoil-Plow 



P»Wnt«d S^-pl.. -IX, 1867 



mP.IverdoTi. 

 Plow. 





'•'/■? 



^fn^/*^^:C:^ 



InventoTi 





ln':&ntar 



