Feature

  1. Waves in Steel Cause Turbine Wrecks

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  2. Special Light Sensitive Plates to Catch Mars at Lick Observatory

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  3. Forest Pests at Work in Yellowstone Park

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  4. Gas Mileage Wasted by Bad Adjustments

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  5. Harvard Astronomers in Jamaica Plan Visual Observations of Mars

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  6. 81031

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  7. Astronomer-Artist to Observe at Yerkes Observatory

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  8. Fine Jewelry Found in Old Saxon Graves

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  9. Mt. Wilson to Measure Heat from Mars

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  10. How Astronomers Will Observe Mars at Closest Approach

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  11. Food Palm Recommended for American Tropics

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  12. Hot Weather Clothing

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