The accompanying figures show the general form, the nature of the fittings, aircompartments, shifting-coamings, and hatches of one of the safety boats, 40 feet in length and 14 feet in breadth.

In figs. 1 and 2, the elevation and deck-plans, and the general exterior form of the boat are shown, with the sheer of gunwale, length of keel, and rake of stem and stern-post.

The dotted lines of fig. 1 show the position of the compartments, bulkheads, masts, pumps, thwarts, and shifting flat or deck, a, Scuttle in boat's side above the side decks.

6, Scupper in the boat's side above the stern deck, c, Screw plug, to drain the stem compartment.

In fig. 2, A represents the open hatchways of the main-hold, to be covered with portable hatches and a water-tight tarpaulin cover in gales of wind; B, shifting coamings for the hatches; c, the side-deck; D, the forecastle-deck; and E, the stern-deck. Fig. 3 represents a section at the after air-compartment, showing the thwart, and crutch to receive the mast, and the stern-deck.

In fig. 4, the exterior form of transverse sections, at different distances from stem to stern, is shown.

Fig. 5 represents a section at the fore air-compartment, showing the thwart and mast.

In fig. 6, the shifting coamings over the main-hold are shown, with the portable hatches (H) in place, and (i) the shifting deck or flat.

Fig. 7 represents a midship transverse section, F the thwart, c the side-deck, B the shifting coaming over the fore-hold, I the shifting deck or flat, and H the hatches in place.

Fig. 8 represents a section abaft the foremost bulkhead, showing the shifting coaming (B) and portable hatches (H) in place; and (i) the shifting deck or flat.