It shall be lawful for the Duke of Cornwall to cause any Monies to arise or be received from or in respect of any Sale, Disposal, or Enfranchisement of any of the Possessions of the said Duchy, and which may not be immediately wanted for any of the Purposes to which the same are hereby made applicable, to be laid out in the meantime in the Purchase of Three Pounds per Centum Bank Annuities, in the Name or to the Account of the Duchy of Cornwall, in which Name or to which Account the Governor and Company of the Bank of England are hereby authorized and required to permit Transfers to be made of the Annuities to be so purchased, and such Transfers may be accepted by some Officer of the said Duchy, or by some other Person authorized in that Behalf by the Duke of Cornwall.