Feature

  1. Air Photographs Valuable in Studying Timber Areas

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  2. [Photograph]: Ancient Persian Inscription

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  3. New Insect Emigrants

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  4. New Fluorocarbon Uses

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  5. Uranium-Containing Mud in Fjords of Norway

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  6. Air-Borne Engine Starter

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  7. Science Review for 1948

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  8. Nature Ramblings: Poinsettia

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  9. Top Patents of the Year

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  10. Front Matter

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  11. Synthetic Alcohol Made from Gasoline and Gases

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  12. Drug Aid for Pneumonia

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