Corrections

A desert island in the Pacific enabled his construction.

A ship submarine was built on his plans.

The electricity was used for the all necessities of his floating device like a motive force, illuminating strength, calorific power, thanks to his knowledge about the use the mechanical forces.

His name is Captain Nemo, he called his ship the Nautilus and disappeared under the seas.

For several years, the captain has been visiting all oceans, from a Pole to the other.

He collected admirable treasures in these unknown worlds.

but his companions died one by one and they went rest in coral graveyard in the Pacific.

The Nautilus was empty and the captain Nemo stayed alone.