The gaines used beneath nose fuzes of the igniferous type in H.E. shell and smoke shell are in the form of aluminium or brass cylinders which contain an H.E. filling and are fitted with a detonator inside the forward end. This end is fitted with an external leather washer. The filling may be picric acid, P.E.T.N./Wax or Cyclonite/Wax. The detonator filling may be P.E.T.N. or cyclonite with a priming layer of lead azide/lead styphnate or, in the case of gaines filled with picric acid, the detonator filling is mercury fulminate. The picric acid filling is in the form of powder, the P.E.T.N./Wax filling is tinted pale pink and the Cyclonite/wax filling is tinted pale blue or a blue-green. Gaines containing P.E.T.N./ Wax fillings have been found with the marking "Np" after the designation marking, e.g., "Zdlg. C/98 Np". These are the letters normally used by the Germans to indicate P.E.T.N.

Brass gaines filled picric acid are shown in Pamphlet No. 1, Fig. 13, 14 and 16. Aluminium gaines filled P.E.T.N./Wax are shown in Pamphlet No. 4 Figs. 18 and 22.

The following types have been identified as being marked on a lettered series:–

The gaine consists of an aluminium body 2.95 inches long and 0.83 inch in diameter, filled with a pressed pellet of Cyclonite/Wax 92/8, weighing 577 grains, density 1.61. The Cyc-lonite/Wax mixture is tinted pale blue by the addition of a small quanitity of drystuff. A cavity is formed at the head end to receive the detonator, which is enclosed in an alumi-nium tube. The detonator contains 6.5 grains of cylconite under 6.3 grains lead azide/ lead styphnate (58.8 per cent/41.2 per cent). A disc of aluminium, with a central hole, holds the detonator tube firmly in its cavity and is itself held by a leather washer. An aluminium ring completes the closure by being folded over the lip of the body. The body is marked "Zündladung A" or "Zdlg. A".

This gaine is 4.7 inches in length and has the same diameter as the "A" gaine. The Cyclo-nite/Wax pellets are enclosed in two separate aluminium containers which slide into the aluminium body. The lower container holds two pressed pellets of Cyclonite/Wax 92/8 each weighing 232 grains, density 1.59. The container is scaled by pressing the lip over two aluminium discs. The upper container holds a single pellet of Cyclonite/Wax, weighing 324 grains, and the detonator unit, and is closed by a perforated aluminium disc spun in. The detonator contains 6.9 grains of cyclonite under 5 grains of lead azide/lead styphna-te (68.6/31.4 per cent). The whole assembly is retained in the aluminium body by a leat-her washer and an aluminium securing ring as in the "A" gaine.

This type exists in two sizes. The small size, "kz.Zdlg. C/98", used in smoke shell, is 1.6 inches in length, and the large size "gr.Zdlg. C/98", used in H.E. shell, is 3 inches in length. The diameter of both sizes is 0.87 inches.

The small gaine, with a filling of P.E.T.N./Wax, is shown in Pamphlet No. 4, Fig. 18.

The large gaine, also with a filling of P.E.T.N./wax is shown in Pamhlet No. 4, Fig. 22.

As with the other types, these may be of brass and may also be filled with picric acid or Cyclonite/Wax.