CULTIVATORS-PARALLEL. 



M P SIMPSON 

 ovemeni in Ciilti> 



T B, ROBERTS, 

 Improvement in Cultivators 



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f'^mm 



J. H. PATTEE. 

 Improvament in Cultivators. 



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). H. PATTEE. 

 CriltUaton 



>iu«d Ocr b,l87l. 







