(Fig. 14)

The lower portion of the cavity for the bursting charge, where the tail unit is screwed into the body, is sealed by a coating of bitumen followed by a pad of magnesium oxy-chloride cement.

The T.N.T. bursting charge is a cast filling with a density of 1.60 and a setting point of 80.4 degrees centigrade. The weight of the charge in a bomb recently examined was 3.5 oz.

The gaine, carried in an aluminium exploder container which is screwed to the lower por-tion of the fuze, is a kl.Zdlg. 34 Np. This small gaine, filled P.E.T.N./Wax, is described in Pamphlet No. 11.

The igniferous detonator, fitted in the base of the fuze, consists of a cylindrical copper shell closed at the head and base by a thin copper disc and containing a detonator com-position over a 0.06 grain filling of gunpowder. The detonator composition weighs 0.3 grains and consists of:– potassium chlorate 51 per cent, anti-mony sulphide 24.1 per cent and calcium silicide and glass 24.9 per cent.

Fig. 14