An act for selling part of the estates of William Mason, Esquire, devised to him by the Will of William Mason Esquire, deceas'd, and for laying out the Money to arise thereby in the Purchase of other Lands and Hereditaments, to be settled in Lieu thereof to the Uses limited by the said Will; And for exchanging other Part of the said Estates of the said William Mason, so devised, for other Lands and Tenements to be settled in Lieu thereof, to the Uses limited by the same Will.