All the Members of the Registry Board shall attend at the Board Room of the Birmingham Proof House, or at such other Place in Birmingham as the Guardians from Time to Time appoint, on the Third Monday in the Month of April in the Year One thousand eight hundred and sixty-nine, and in every subsequent Year, at Twelve of the Clock at Noon, and shall from Time to Time proceed to make and revise the Register, and to decide on the Title of Claimants claiming in accordance with this Act to be placed on the Register, and upon Objections, of which due Notice shall have been given as by this Act provided, and shall make and revise the Register; and all or any Two of the Members of the Board shall in open Court write their Initials against the Names respectively expunged from the then Register and List of Claimants; and the Register, when so made and revised, shall be signed by all or any Two of the Members of the Board.