Robuta

https://www.rmg.co.uk/collections/objects/rmgc-object-1180735 430ft Unnamed Proposed 3 Masted Ironclad Frigate (1859) | Royal Museums Greenwich ironclad frigate unnamed proposed 3 https://www.rmg.co.uk/collections/objects/rmgc-object-1180738 430ft Unnamed Proposed 3 Masted Ironclad Frigate (1859) | Royal Museums Greenwich ironclad frigate unnamed proposed 3 https://www.rmg.co.uk/collections/objects/rmgc-object-1182129 Unnamed 330ft 3-masted ironclad frigate propsed by Laird Bros (1859) | Royal Museums Greenwich