CLEANERS. 



49 



UJLl/^m, 



■PT.«i 



Yi«.V 







W, H, STONE 



Improvement in Plow-Colters. 



No. 114,220. P.i..l.(l April 25. isn. 



W/ T/fSSSES 



'C^fc-.^X^ 



N. S. THOMPSON. 

 Improvement in Seedtng-Cultivators. 



,881 Pilenicd M,i^ 16. IS7I. 



GEORGE W. BURR. 

 Plow Clearer s. 



No. 122,155 



Patented Dec. 26 I8?l. 



Ftti 



J^iff ^ 









f"> 



^noTttf^s. 



