Feature

  1. New Machines and Gadgets

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  2. Front Matter

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  3. Microwave Radar

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  4. Expedition Planned

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  5. Six Dollars a Month

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  6. DDT Was First Given Suspicious Reception

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  7. [Photograph]: Sunflower Sue

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  8. Brighter than Our Sun

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  9. Russians Follow Our Lead

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  10. Program Urged to Study Rh Blood Incompatibility

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  11. Rehearsal for Invasion

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  12. [Photograph]: 80 Miles an Hour

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