232 



THE WHEAT CULTURIST. 



HOLBKOOK S DEEP-TILLER PLOUGH. 



The figure of a plough shown in this place, represents 

 a &quot; deep-tiller&quot; plough, which has been recently invented 

 by Governor Holbrook, of Massachusetts, and manufac 

 tured by F. F. Holbrook, Boston. The form of the mold- 

 board is such as is required for deep ploughing. When 



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^S3*r^3s^ 



FIG. 35. Holbrookes Stubble Plough. 



ploughing stubble, farmers frequently desire to plough 

 narrow furrows, ten to twelve inches deep. With most 

 of the ploughs, it is extremely difficult to plough more 

 than eight inches in depth ; and scores of ploughs are 

 not properly constructed for ploughing over five or six 

 inches in depth. 



I have devoted a vast deal of thought to the proper 

 construction of the mold-boards of ploughs, both for 

 deep and for shallow ploughing ; and it affords me satis 

 faction to record in this place, a tribute of superior 

 merit to this plough, which is exactly the implement 

 required in numerous sections of the country, where it 



