In essence, I was already familiar with the whole forward part of this underwater boat, and here are its exact subdivisions going from amidships to its spur: the dining room, 5 meters long and separated from the library by a watertight bulkhead, in other words, it couldn't be penetrated by the sea; the library, 5 meters long; the main lounge, 10 meters long, separated from the captain's stateroom by a second watertight bulkhead; the aforesaid stateroom, 5 meters long; mine, 2.5 meters long; and finally, air tanks 7.5 meters long and extending to the stempost.
En efecto, conocía ya toda la parte anterior del barco submarino, cuya división exacta, del centro al espolón de proa, era la siguiente: el comedor, de cinco metros, separado de la biblioteca por un tabique estanco, es decir, impenetrable al agua; la biblioteca, de cinco metros; el gran salón, de diez metros, separado del camarote del capitán por un segundo tabique estanco; el camarote del capitán, de cinco metros; el mío, de dos metros y medio, y, por último, un depósito de aire de siete metros y medio, que se extendía hasta la roda.