160 



COLTERS. 



K. W. MANWAKING. 

 Colter Altauhmenl. 



No. 231,074 



Patented Aug. 10, 1880. 



L, MILLER 4 E, LIGHTHALL. 

 Plow. 



No. 231,441, 



Patented Aug. 24, 1880. 







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W/hiesaea 





«ftf<5^«^. 



i^^te^ 



(Ho Modal.) 



A. 0. SCHEAM. 



Combined Colter and Jointer. 

 No. 232,370. Patented Sept. 21, 1880. 



0. a. NOTT. 

 Colter. 



No. 233,793. 



Patented Oct. 26, 1880. 



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