“The Lost Continent“ is a novel by Edgar Rice Burroughs, an American fiction writer, who created such great characters as Tarzan and John Carter of Mars. In 2137, Pan-American Navy Lieutenant Jefferson Turck is commander of the aero-submarine Coldwater, tasked with patrolling the 30th meridian from Iceland to the Azores.
Disaster strikes when the vessel's anti-gravitation screens fail, dooming it to wallow upon the surface of the ocean, and the engines fail, leaving it adrift.