The police force is 'lit up'. Peterborough has been successful in its new idea of controlling the night-time traffic by means of illuminated place from. Wearing a white coat, the police Constable carries a red lamp in one hand and a green lamp in the other, on his helmet and illuminated panel with the word 'police' lit by a battery in his pocket. Picture shows, and illuminated Police Constable on duty at a busy corner in Peterborough, lost on, (Friday). 10 August 1946