It shall be lawful for the several Persons hereby authorized to appoint Stewards for the said several Manors or Liberties, by Writing signed by them respectively, to appoint during Pleasure only fit and proper Persons to act as Barmasters for the said several Manors or Liberties respectively; and every such Barmaster (excepting in the Manor or Liberty ofCrichherein-before provided for) may (with the Consent in Writing of the Person under whom he holds his Appointment) nominate One or more fit and proper Persons to serve the Office of Deputy Barmaster within the Manor or Liberty in which such Barmaster shall act; and such Deputy Barmasters shall respectively continue in Office during the Continuance in Office of the Barmasters by whom they were respectively appointed, or until they shall be removed by the Persons hereby respectively authorized to appoint such Barmasters.