Photograph of a seated women (Pauline or Isabel Adams?) teaching international maritime signal flags to a young Naval Cadet

A photographic print showing a woman and young boy in Cadet uniform outdoors. The woman, possibly Pauline or Isabel Adams, is seated on a chair next to a board displaying maritime flags. The woman holds a stick which she uses to point towards a flag on the board. The boy in uniform is looking at the board and looks to be undertaking a test regarding his knowledge of the flags. Pencil annotation on reverse says ‘1917 Naval Cadets'