FARM IMPLEMENTS 



AND 



FARM MACHINERY 



AND THE 



Principles of their Oonstmotion and Use: 



WITH 



SIMPLE AND PRACTICAL EXPLANATIONS 



OF THE 



LAWS Oin M:0TI0]>^ AlVD IT-ORCE 



AS APPLIED 



ON THE FARM. 



With SSr IllTistrations. 

 BY 



JOHN J. THOMAS. 



NEW YORK: 

 ORANGE JUDD AND COMPANY, 



245 BROADWAY. 



