Doors were cut into the watertight bulkheads and were shut hermetically by means of india-rubber seals, which insured complete safety aboard the Nautilus in the event of a leak in any one section.
Los tabiques estancos tenían unas puertas que se cerraban herméticamente por medio de obturadores de caucho, y ellas garantizaban la seguridad a bordo del Nautilus, en el caso de que se declarara una vía de agua.