The transition from wooden ships to iron ships occurred over many years both in merchant and naval fleets. Iron had its obstacles to overcome, but once iron ships were readily available, they allowed for an explosion in shipbuilding technology and capability.
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Sources:
Technological Transitions and System Innovations by Frank W. Geels
Principles of Ocean Transportation by Emory Richard Johnson and Grover Gerhardt Huebner
Wessex Archaeology, (ss-great-britain)
The Monthly Chronicle of North-Country Lore and Legend by Walter Scott
, Metal Hull ()
(about this source)
The Sway of the Grand Saloon by John Malcolm Brinnin
Battle of the Monitor and Me