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THE AMERICAN FARMER. 



Share s Coulter Harrow, by the firm of Belcher & Taylor, Chicopee Falls, Mass., is an 

 implement, the merits of which are well-known. 



The Thomas and Nishwitz harrows, manufactured by Joseph Breck & Sons, Boston, 

 Mass., have also been extensively used. The essential principle of the former consists in 

 placing the teeth at a double angle, both backward and sidewise in the bar, so that the 



THK TilOMAS HAKKOW. 



THE NISHWITZ HARROW. 



position of each shall be directly backward in the line of draft, or direction in which the 

 harrow is moving. If the bar in which the teeth are placed moved directly lengthwise, all 

 the teeth in a bar would follow each other; and, to avoid this, the bar is made to advance 

 somewhat diagonally or sidewise, so that each tooth will cut a slice for itself, and no two 

 teeth follow each other. The distance between the teeth is a little less than one inch as they 



