An illustrated ship, tentatively identified in the commentary as HMS Marlborough, shows how wooden ships of the line could be converted to steam before HMS Warrior. The triple-decker kept the basic form and wooden hull of a sailing line-of-battle ship while adding machinery and some iron. It offers a visual bridge between auxiliary-steam wooden warships and purpose-built iron hulls. The spoken identification is uncertain, so the example should not be treated as a firm catalog attribution.
Notable Point · 22:09-22:56
A converted steam triple-decker before Warrior
A tentatively identified converted triple-decker shows the overlap between wooden ships of the line, steam machinery, and iron hulls.