Sloops, fire - ships, bomb-vessels and royal yachts were said to be not rated.
The artificial harbour was formed (1807-1832) between the mainland and the picturesque island of Ireland's Eye, and preceded Kingstown as the station for the mail-packets from Great Britain, but was found after its construction to be liable to silt, and is now chiefly used by fishing-boats and yachts.
Instead of the expensive mile-long stout hemp lines used and since 1887 those of the prince of Monaco in his yachts, as by Ross, Maury introduced a ball of strong twine attached to a well as numerous Danish vessels in the sea between Iceland and cannon shot, which ran it out rapidly; when the bottom was Greenland, conspicuous amongst which were the expeditions reached the twine was cut and the depth deduced from the length in1896-1898on board the " Ingolf."
This fact having been fully demonstrated, acetylene dissolved in this way was exempted from the Explosives Act, and consequently upon this exemption a large business has grown up in the preparation and use of dissolved acetylene for lighting motor omnibuses, motor cars, railway carriages, lighthouses, buoys, yachts, &c., for which it is particularly adapted.
The requirements of an elongate body moving through the resistant medium of water are met by the evolution of similar entrant and exit curves, and the bodies of most swiftly moving aquatic animals evolve into forms resembling the hulls of modern sailing yachts (Bashford Dean).