| Notes |
Steam in the Navy, H.M.S. "Coventry" light cruiser, the Admiralty "goes steady", steam auxiliaries, H.M. torpedo destroyer "Wallace", the earliest iron war ship, the loss of the "Birkenhead", the screw propeller, paddle-wheels v. propellers, floating dock by Messrs Swan Hunter & Wigham Richardson H.M.S. "Lion" docked, the navy progresses and cuts down freeboard, armoured warships, the "Warrior", merchantile marine of 1840-1860, costly American fleet, total losses, pattern shop and platers' shed at Harland & Wolff Belfast, coastal motor boat on the Thames by Messrs Thornycroft, the Merchantile Marine of 1840 - 1860, a costly American Merchant fleet, total losses |