146 



COLTERS. 



E, A. SANDERS. 

 Rolling. Colter. 



No. 199,937. Patented Feb. 5. 1878 







R. B. THOMSON. 

 Colter-Holdor for Plows. 



No. 200.230. 



Patented Feb. 12, 1878. 



WTTNEasESi 



INVEHTOB: 



BY ^.aA.^.^a^*^*.*-''^^ 

 ATTORHEIS 



J. C. KNOBLOCK & T. M. BISSELL. 

 Plow. 



No. 200,734. Patented Feb. 26, 1878. 



jrtiff.^ 



J. PIEEPO«T. 

 Plow-Colter. 



No. 200.842. Patented March 5, J878. 



Fi^.S. 







Tij, ven f.tTT : 



