810 



ROTARY. 



B J. WEST. 

 Cultivator. 



No. 226.691. 



Patented April 20. 1880 



W.|^e.Ssi.S 





r^ii"\f^\ 



i 6heotB — Sheet ! 



a. B. ST, JOHN h J. S. UNDEEWOOD 

 Eotary-Plow 



No. 227.070. 



Patented April 27. 1880. 





! sneeis— She»t 1 



G. B ST JOHN & J K. UNDERWOOD 

 Rotary-Plow 



No. 227.070. 



Patented April 27, 1380 







No. 229,200 



T. J. TALLY 

 Eotary Plow 



^J1 



^^^r^gt^ Juno 22^J880_. 



^^-f 



'J-" INVENTOR. 



IfrOSRETS. 



