The following drawings show the general outline and principal fittings of a 34 feet by 7i feet self-righting boat. Figure 1 gives the profile or broadside view, the shaded part showing that devoted to the air-cases, which give extra buoyancy, The letter A shows the deck, and the unshaded parts the relieving-tubes, by which any water that breaks on board escapes. The shaded part of the keel, B, represents the ballast composed of iron. The festooned dotted lines are the life-lines outside the boat, for men to catch hold of when overboard.

In Figure 2, the unshaded space, A, represents the uncovered part of the deck; B, the relieving-tubes, C, the side air-caseB above the deck, D, the end air-eases, E, the ventilating scuttles, F, the water-ballast tanks, G, the plugs, and H, the pumps of the balkst tanks.

Figure 3 represents the body plan or cross sections at various distances from stem to stem.

Figure 4 gives the midship section.

THE SELF-BIGHTING WATEB-BALLAST LIFE-BOAT p a o f t I.E F«g.2 Fig3 DECK PLAN Fig.-* 8OOY PLAN MIDSHIP SECTION This Life-boat possesses in the highest degree all the qualities which it is desirable that a Life-boat should possess:— 1. Great lateral stability, or resistance to upsetting.

2. Speed against a heavy sea.

3. Facility for launching and taking the shore.

4. Immediate self-discharge of any water breaking into her, 5. The important advantage of self-righting if upset.

6. Strength.

7. Stowage room for a large number of passengers..