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Enlarged Photograph of Part of the Sun's Disc
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One of four photographs in window mounts showing an enlarged portions of the Sun's visible disc. Taken by Dr Janssen at the Meudon Observatory, Paris on 10th May, 1878.
One of four photographs in window mounts showing an enlarged portions of the Sun's visible disc. Taken by Dr Janssen at the Meudon Observatory, Paris on 10th May, 1878.