All Lands which at the Commencement of this Act are by yirtue of any Act of Parliament or Letters Patent, or otherwise, settled on or vested in or held by or in trust for the Commissioners of Greenwich Hospital, shall thenceforth, by virtue of this Act, remain and be settled on and vested in the Admiralty for the Time being for such Estate or Interest as at the Commencement of this Act the Commissioners of Greenwich Hospital have therein.