Air Raid Precaution warden's bell: 20th century
© Museum of London
Full image caption
Air Raid Precaution warden's bell. This bell was used by an Air Raid Precautions - ARP - warden during World War II. The warden's duties included supervising air-raid shelters, enforcing the night-time Blackout and providing help after bomb damage, such as rescue or demolition.
1939 AD - 1945 AD