Feature

  1. The Control of Scarlet Fever

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  2. Footnote on Scarlet Fever

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  3. Volcano Explodes

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  4. Front Matter

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  5. New Aurora Mystery

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  6. Visits Unconquered Maya Tribe

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  7. New Telescopes for New Universes

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  8. How Eyes of Races Differ

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  9. Mediaeval Medicine

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  10. Boiler Works at 3,375 Lbs

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  11. Clues to Prehistoric New Mexicans

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  12. Classics of Science: Moissan’s Artificial Diamonds

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