Special Constables parade along the streets of London.
Full title reads: "SPECIALS' PARADE - Big muster in Tower Moat for annual inspection."
Lines of Special Constables assembled at the green turf of the moat of Tower of London. Various shots of the police troops leaving the Tower and marching along streets of London - some mounted police seen. Sir Charles Collett, the Lord Mayor of London takes the salute from the balcony of Mansion house. More shots of the police marching.