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An exhibition of artefacts from the wreck of the Titanic opens at the Science Museum in west London on Friday

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A pair of spectacles are among 6,000 items raised from the wreck which lies two-and-a-half miles below the ocean surface

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A top hat found inside luggage belonging to one of the 2,228 people on board the ill-fated liner

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A phial of perfume essence belonging to perfume manufacturer Adolphe Saalfeldk, a survivor of the disaster

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The bell from the crow's nest was rung moments before the liner struck an iceberg