1. War nose body.
2. Firing pin and striker.
3. Safety pin.
4. Forward exploder.
5. Inner exploder holder.
6. Primer case.
7. Primer case pocket.
8. Charge of wet gun-cotton.
9. After bulkhead.
10. Moisture tap.
11. Immersion chamber.
PLATE III. EXERCISE HEAD WITH NOSE.
1. Exercise nose.
2. Lead ballast rings.
3. Filling hole.
4. Trimming tank
5. Vent hole and plug.
6. Filling. hole and plug.
7. Rubber washer under bulkhead.
8. Immersion chamber.
PLATE IV. WAR NOSE.
1. Firing pin and striker.
2. Shearing disc.
3. Shearing disc rut.
4. Safety pin.
5. Bronze disc.
6. Forward exploder.
7. War nose body.
8. Primer case base.
9. Inner exploder nut.
10. Copper disc.
11. Inner exploder.
12. Primer case.
13. Primer case pocket.
14. EXERCISE NOSE.
PLATE V. IMMERSION CHAMBER.
1. Double spring rod.
2. Cross lever.
3. Pendulum rod brackets.
4. Pendulum.
5. Spring buffers.
6. Pendulum rod.
7. Connecting rod.
8. Connecting rod hanger.
9. Rock shaft.
10. Connecting rod hanger screw.
11. Testing lever.
12. Testing lever bracket.
13. Copper diaphragm.