Feature

  1. Scientia International

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  2. Man to Pierce Earth’s Crust

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  3. A-Plane Overdue

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  4. Books of the Week

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  5. Front Matter

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  6. “Gatling Gun” Returns

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  7. [Photograph]: Land-Based Radar

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  8. Resistors Made on Glass with Sputtering Method

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  9. Jalopies and School Are Poor Mixers

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  10. Army’s Ducted-Fan Plane Could Be Airport Taxi

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  11. New Machines and Gadgets

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  12. Books of the Week

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