Figures the 3d and 4 represent a side and end view of the Cable windlass and the mode of sliding on its axis,
Figure the 5th Shews the whole communications of the pump tubes the great water chamber being divided into three parts, it is necessary to drive water out from the middle or either end at pleasure A A the pump seats, B.B.B.B the four valve chambers, C the discharging tube through the bottom, D a tube to draw water from the Balancing chest E.E to draw water from the right and left middle chambers only one of these are necessary as the water communicates by the Kelson to both sides
F To draw water from the bow chambers,
G To draw water from the stern chambers,
H The seat of the plunging Anchor,
Plate the 4th
Figure the first drawn by a scale of one quarter of an inch to a foot, Shews the incompressible part laid down in the body of a boat, A and B the divisions which form the length of the vessel into three water chambers, with the valve to let the water from the middle chamber to the two ends; but not return; C is a passage for the water from one side to the other. The other figures are of the real size, shewing the modes of constructing the air pipes with cork valves to let in the air and keep out the water;
Plate the 5th real Size
Figure the first shews the mode of placing the conic glass windows with the stop cocks in case of accidents; Figure the second the lid and cap of the dome; A head taking an observation through a window; this mode of making a window conic renders it as strong as the surrounding brass, as relates to the pressure of the water, a stroke only can break them; Figure the third is a Bathomater, to shew the depth under water.