A recent addition to our artefacts. A replica 1kg German Incendiary Bomb.
Thousands of these were dropped on Britain during the war. The original bomb, like this replica, functioned on impact. The filling only had to burn for about half a minute to a heat of 2500 degrees before the magnesium outer casing melted, setting fire to flammable objects and materials around it.
Later adaptations included explosive charges in the tail, or inside an additional nose section. The charges would detonate a few minutes after impact, adding danger to anyone attempting to make them safe and stop the spread of fire.