Fig. 19

Fig. 19

This bomb consists of a cylindrical body made of an alloy of magnesium and aluminum with traces of silicon and is closed at its upper end by a screwed plug. One the shoulder of the bomb, three pegs, which also serve to lock the plug, hold an extension which has not been identified but is probably the tail. The base is closed by a plug which houses the percussion fuze AZ. 8312.

This fuze consists of a striker, an arming spring and a detonator holder. The whole is sealed and held in position by a crimped washer. A safety pin keeps the needle clear of the detonator. The igniting arrangements consists of a detonator relay keept away from the plug by a washer and a cylinder with vents drilled in it. The whole is covered by a mixture which appears to be smoke producing. The vents in the body of the bomb serve for the release of the gases. These vents are normally closed by a strip of Chattertons compound.

The main filling is in two parts. The first of small quantity, in contact with the detonator, serves as a relay. Its composition is not known. The main filling is an incendiary powder mixture of iron, aluminum, ect.