I do hereby "^ertify that a Bill " giving unto James Rumsey his heirs and assigns the sole and exclusive Right of constructing navigating and employing Boats after his new invented model for the term of Ten years to be computed from the first day of January next" has passed the House of Delegates of this state with this Proviso " that the exclusive right therein granted may at any time be abolished by the Legislature of this Commonwealth upon the payment unto the said Rumsey his Heirs or assigns the sum of Ten thousand Pounds in Gold or silver, and that the said Bill is to be sent up to the Senate for their concurrence as soon as they shall liave formed a House.

Jno Tyler, S. H. D. New York ss :

James M^Mechen of Berkeley County in Virginia being duly sworn on the Holy evangelists deposeth and saith that the above is

NAVIGATION. 1091

a true Copy of a certificate in his possession subscribed with the name of Jolin Tyler speaker of the House of Delegates of Virginia, that the Deponent knows the Hand writing and subscribing of the said John Tyler and does verily believe'his name subscribed to the said Certificate to be of the Hand writing of the said John Tyler -- That the said Certificate was delivered to the Deponent by the said James Rumsey therein named at the City of Richmond in Virginia at which time and place several of the Gentlemen of the House of Delegates were present and did see and read the said Certificate -- and further the Deponent saith not.