Upon every such sale the Commissioners shall sign and deliver to each purchaser a receipt for his purchase money, which shall be a sufficient discharge for the same; and upon receipt of the whole purchase money for any of the lands which shall be sold as aforesaid the Commissioners shall convey such lands and the fee simple and inheritance thereof in possession by conveyance under their hands and seal to such uses and in such manner as such purchasers shall direct; and after such conveyance the premises conveyed shall be freehold of inheritance, and shall be held to the uses and in manner expressed in such conveyance; and any such conveyance may be to the effect set forth in the schedule to this Act, and shall be evidence of the regularity of the sale in pursuance of which such conveyance shall be made.