No. 76 special incendiary grenade

The No. 76 special incendiary grenade also commonly known as the A.W. bomb (Albright and Wilson bomb) and SIP grenade (self-igniting phosphorus grenade), was an incendiary grenade based on white phosphorus used during World War II. On 29 July 1940, manufacturers Albright and Wilson of Oldbury demonstrated to the Royal Air Force how their white phosphorus could be used to ignite incendiary bombs.