Rolls Royce Merlin Engines was arguable the most important aero engines during the Battle of Britain 1940 World War II era. They were aero-engines that had a two stage supercharger fitted to aircraft such as the Spitfires and the Hurricanes that became successful war planes.
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The Rolls Royce Merlin 23 Engine photograph shown, is free of cost to download providing that the photograph is not used for business or commercial gains.
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