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The position of the sternpost screw.
|The Great Eastern under construction.|
|© National Maritime Museum, London|
|Repro ID: H1695|
|Description: The 36-ton cast-iron propeller of the 'Great Eastern' was carried on a shaft 150 feet long, weighing 60 tons. The position of the screw propeller is evident in this picture taken during the vessel's construction at Millwall.|
|Creator: Robert Howlett|
|Credit line: National Maritime Museum, London|