Feature

  1. New Heated Diving Suit Has Glass Insulation

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  2. New Books on Science

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  3. To Protect Health of Army in Case It Goes to Tropics

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  4. [Photograph]: Winners

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  5. New Books on Science

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  6. [Photograph]: Field Laboratory

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  7. [Photograph]: Funeral Preparations

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  8. Plan Large Scale Tests for Infantile Paralysis Immunity

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  9. [Photograph]: Bones of the Ear

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  10. [Photograph]: Model Mound Builder Village

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  11. Old Phonograph Records Get Back Their Voices

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  12. Front Matter

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