COLTERS 



143 



1. CEHSHOR!!. 

 PLOw-jcmiEn. 



r. RiCK. 



PLOW. 



Ms. 190.572. 



Pittntea Hsy 15. 1B7V 



So. 131.469. 



Patented Hay 29, 1977. 



^iS 3 









WIT NEssea 



J&U^y. 



INVENTOR 



C. R. THOMPSON. 



PIBW-COITERS 



No. 191.622. 



Patented June 5. 1977. 



S Sbeats— Sheet 1. 

 a. E. SUITE. 

 COUEIKEI) COLTER AXS JOIITER. 



Patented Jane 26, 1877. 



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inrjituai 



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