Vintage maritime history photo of the RMS Titanics propellers as the mighty ship sits in dry dock.

Vintage maritime history photo of the RMS Titanics propellers as the mighty ship sits in dry dock.

Detail of 'Riveters' from the series 'Shipbuilding on the Clyde', Stanley Spencer, United Kingdom, 1941 © Imperial War Museums

Vintage maritime history photo of the RMS Titanics propellers as the mighty ship sits in dry dock.

Normandie in New York, 1935 39 © Collection French Lines

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