INVENTOR OF THE MODERN PLOW. 17 



is to go off by } ackett, wherefore I wish to ask 

 the favor of you to return them with the model 

 in the course of the present week, with any 

 observations you will be so good as to favor 

 me with." 



Writing from Washington, July 15, 1808, 

 to Mr, Sylvestre, in acknowledgment of a 

 plow received from the Agricultural Society 

 of the Seine (France), he adds: "I shall 

 with great pleasure attend to the construction 

 and transmission to the society of a plough with 

 my mould-board. This is the only part of 

 that useful instrument to which I have paid 

 any particular attention. But knowing how 

 much the perfection of the plough must depend, 

 1st, on the line of traction ; 2d, on the direc- 

 tion of the share; 3d, on the angle of the 

 wing; 4th, on the form of the mould-board; 

 and persuaded that I shall find the three first 

 advantages eminently exemplified in that 

 which the society sends me, I am anxious to 



