COLTERS. 



131 



JOHN UOUGL. 



Improvement in Plows. 



No. 122,582. PalentaJ Jsn.9, 1872. 





1^ 



JOSEPH PINKHAM. 



Improvement in Plow Coulters. 



No. 123,838. 



Pituntid Feb. 20, 1872. 



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B. W. TUTTLE. 



Improvement in Plows. 

 No. 126,655. Faienled May 14, 1872. 



B. W. TUTTLE. 

 Improvement in Plows. 



No. 126,656. Palodted May I4J18/2, 



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J,>/.f. 



■^Zi^- z. 



TiIiU 



tfc2,ii>; 



II \^ -n. 4 £ 5 e c : 



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