To the sheriffs of London. Contrabreve to cause the Tower of London to be unroofed of the lead wherewith it is roofed, and to cause it to be repaired in joists and planks {gistis et planchis) where necessary, and to cause it to be roofed again with the said lead and with other lead, and to cause the turrets (turellas) of the Tower to be repaired in hke manner.