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Lantern A21

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Lantern A21

Sun showing Calcium floculi (H2 Level), Aug 12/[18]93.

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Source URL (retrieved on 2013/05/26 - 01:34): http://www.rasc.ca/content/lantern-a21

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