After renewing its air, the Nautilus stayed at an average depth of fifteen meters, enabling it to return quickly to the surface of the waves. And, contrary to custom, it executed such a maneuver several times during that day of January 19.
Tras haber renovado su aire, el Nautilus se sumergió a una profundidad media de quince metros, al objeto, al parecer, de poder emerger rápidamente a la superficie, operación que, contra toda costumbre, se practicó en varias ocasiones durante aquella jornada del 19 de enero.