INVENTOR OF THE MODERN PLOW. 35 



effectually, and all this is accomplished with- 

 out the assistance or instrumentality of screws. 



" The said inventor and petitioner wishes it 

 to be understood, that the principal metallic 

 material of his Plough is cast iron. He has 

 very little use for wrought iron, and by adapt- 

 ing the former to the extent he has done, and 

 by discontinuing the latter, he is enabled to 

 make the Plough stronger and better, as well 

 as more lasting and cheap. 



" He also claims, and hereby asserts the right, 

 of varying the dimensions and proportions of 

 his Plough, and of its several sections and 

 parts, in the relations of somewhat more and 

 somewhat less of length, breadth, thickness, 

 and composition, according to his judgment or 

 fancy, so that all the while he adheres to his 

 principle and departs not from it. 



" Regarding each and every of the matters 

 submitted as very conducive to the reputation 



