In 2010, the world's oldest steamship line celebrated its 180th anniversary. For 183 years, the Isle of Man Steam Packet Co. has been the lifeline to the island, providing passenger and freight services for the island. Almost into the twentieth century, the ships were primarily paddle steamers but screw steamers took over then. In 1962, the first ro-ro ferries arrived and by the late 1990s catamar...