30 JETHRO WOOD; 



and emolument of the said Jethro Wood, he 

 relies confidently upon a benign and favorable 

 construction of his petition and specification, 

 by the constituted authorities of his country. 

 " Given under his hand, at the city of New 

 York, this fourteenth day of August, one 

 thousand eight hundred and nineteen (1819), 

 in the presence of two witnesses, to wit : 



} JETHRO WOOD." 



This patent expired by its own limitation in 

 fourteen years, when it was renewed or con- 

 tinued for another term of fourteen years. In 

 view of the comparative ease and speediness 

 with which the inventors of the present day, 

 or their assigns, utilize really valuable patents, 

 it would be inferred, in the absence of specific 

 knowledge to the contrary, that twenty-eight 

 years constituted a sufficiently long period for 

 the enjoyment by Mr. Wood, of "the full and 

 exclusive right and liberty of making, con- 



