Feature

  1. Off Press

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  2. Just off the Press

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  3. Low-Temperature Process for Separating Magnesium

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  4. New Machines and Gadgets

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  5. Books of the Week

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  6. Safe Landings

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  7. New Machines and Gadgets

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  8. Front Matter

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  9. New Polio Weapon

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  10. German Work Captured

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  11. Radar Secrets

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  12. Water Spreads Hepatitis

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