Nautilus was equipped with eight 8.8 cm SK L/45 naval guns.[Note 2] The guns fired 22 lb shells at a muzzle velocity of 2133 feet per second. The guns could elevate to 25 degrees, for a maximum range of 10,500 yards. The ship also carried 200 mines.
^"SMS" stands for "Seiner Majestät Schiff", or "His Majesty's Ship" in German.
^In Imperial German Navy gun nomenclature, "SK" (Schnelladekanone) denotes that the gun is quick loading, while the L/45 denotes the length of the gun. In this case, the L/45 gun is 45 calibers, meaning that the gun is 45 times long as it is in diameter.