Included in this section are three Birtish bombs, all of which are used for special purposes.

I.T. 6 lb. and 60 lb.

These bombs are used to train infantry units under simulated combat conditions. The bomb casing is splinterless, but noise and flash are comparable to those of the explosion of a medium sized bomb.

The bombs are fuzed with a pistol/detonator com-bination. The 6 lb. bomb takes a No. 34 nose pis-tol; the 60 lb. I.B., a No. 42 nose pistol.

The bomb bodies are constructed of rolled pressed paper and are closed by a pressed paper head.

"B" 250 lb.

This bomb is designed to be dropped in front of ships underway. The bomb penetrates deep into the water, then because of its buoyancy chamber rises slowly to the surface, allowing the ship time to move forward. The bomb then contacts the un-armored bottom of the ship and explodes. If the bomb fails to hit the ship on its rise to the surface, it is so arranged that it will sink after about ten minutes

The No. 850 tail fuze is used in this bomb.

The bomb itself is painted dark grey overall with a red and green band near the nose.