Glass Positive - 'Solar Prominences, Calcium (H) Spectroheliograms', circa 1910, Glass slide of photographs of solar prominences, taken 1910, and reproduced from a book or article. It is part of a collection of eighteen astronomical black and white photographic lantern slides and glass negatives.
Keywords:
Glass Positive, Solar Prominences, Calcium, H, Spectroheliograms, circa 1910, Glass slide, photographs, solar prominences, 1910, reproduced, book, article, part, collection, eighteen astronomical black, white photographic lantern slides, glass negatives
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