This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
HMS Warrior Armour. Section of bulkhead of HMS Warrior in Portsmouth Historic Dockyard Hampshire UK This is taken from modern door cut through the bow bulkhead of the armoured citadel amidships on the lower deck This should be representative of the Warrior's armour scheme of in iron plate backed by in of teak The bows of the ship