Underwater-Glider
p. 55 · Read in the full issue
A DARWIN pearling company Is building an underwater glider which will speed up. the search for new shell beds. The glider, known as the Manta Board, is of French design and is similar to the one tested in the Mediterranean re cently by Admiral Lord Louis Mountbatten.
It is towed by the lugger with the diver strapped to its surface.
It moves in any direction under water by the manipulation of ailerons and elevators, and will enable the diver to travel at eight knots in his search for beds.