Possibly the band of the Bridge School, which was run by the Metropolitan Asylums Board 1900-1923. Including, at left hand end of back row, Henry Francis Aloysius de Monti, bandmaster. He lived at 2 Devon Cottages, Mill Lane, in 1920 his son John Hurka De Monti was born. He was previously in the army. He went on to the Darenth colony run by the same orgainisation and died there in 1924; it may be that the photo is there instead. See also M1499, M1500 and M1685.

Ref	M1685
Date taken	1900-1924
Source	De Monti, Michael. Grandson of the bandmaster