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Scientific American Supplement, No. 711, August 17, 1889

Various

Language: en; Publisher: Project Gutenberg;

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Scientific American Supplement, No. 810, July 11, 1891

Various

Language: en; Publisher: Project Gutenberg;

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Scientific American Supplement, No. 447, July 26, 1884

Various

Language: en; Publisher: Project Gutenberg;

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Scientific American Supplement, No. 288, July 9, 1881

Various

Language: en; Publisher: Project Gutenberg;

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Illustrated Science for Boys and Girls

Anonymous

Language: en; Publisher: Project Gutenberg;

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Scientific American Supplement, No. 315, January 14, 1882

Various

Language: en; Publisher: Project Gutenberg;

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Scientific American Supplement, No. 794, March 21, 1891

Various

Language: en; Publisher: Project Gutenberg;

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Scientific American Supplement, No. 520, December 19, 1885

Various

Language: en; Publisher: Project Gutenberg;

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Scientific American Supplement, No. 415, December 15, 1883

Various

Language: en; Publisher: Project Gutenberg;

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Scientific American Supplement, No. 363, December 16, 1882

Various

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