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Lantern A98

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Lantern A98

Sunspot group, 18 Dec 1908, 8 a.m. Mr. & Mrs. León.

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Source URL (retrieved on 2013/05/21 - 22:17): http://www.rasc.ca/content/lantern-a98

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[1] http://www.rasc.ca/category/image-galleries/national-archives/lantern-slides-2-0