A model of a new salvage ship demonstrates how sunken ships can be raised from the seabed.
Full titles read: "The Super Salvage Ship - Here's something quite novel in salvage ideas for raising ships and recovering lost treasure."
United States of America.
Various shots of a model of a new salvage ship, designed to recover sunken ships and their treasures. Parts of the ship move to demonstrate how a sunken ship would be raised from the seabed. A man standing beside the model tells us more information about how it works.