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separately or with a metal sleeve fitted over the neck of the bottle and a ball about 1 in. diameter attached to a short length of canvas. (See Figures 75 and 76.)
For precautions against phosphorus see Section 1 (b): Phosphorus-Oil Bomb, on page 17.
'(d) Incendiary Socks (Balloon Device "D")'
This device is also associated with the canister used in device (b)
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Figure 76.—Phosphorus Bottle and Breaker Assembly
and consists of a bundle of incendiary socks containing wood-wool and paraffin wax in a canvas cover. The whole bundle measures about 27 in. × 10 in. × 10 in. (see Figure 77).
(e) Cans of Incendiary Jelly (Balloon Device "E")
This device consists of a can 11 in. × 6 in. × 4 in., containing one gallon of incendiary jelly, and is slung beneath a canister of the type used in device (b). At one end of the can there is a releasing device mounted on a plate which slides on to the end of the can, and at the other end a fuze for igniting the jelly, which, on ignition, erupts over a radius of about 20 feet (see Figure 78).
(f) Attachments to Barrage Balloons
Any of the devices described below may be attached to barrage balloons and, when these break loose and are found on the ground, care should be taken not to touch either the flying cable or the devices attached to it. The police should be informed immediately.
(i) A small yellow bomb as illustrated in Figure 74 2 in. diameter and about 4 in. long. It has a sealed joint projecting round the centre and a small wind-vane at the top, over which fits a skeleton bowl- shaped cover. The bomb is painted yellow and may be found:—
(a) alone or
(b) with a small parachute about 1 ft. diameter attached or
