Increasing the New York Water Supply - p498

doi:10.1038/scientificamerican06241905-498

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The Warships of the Future - p498

doi:10.1038/scientificamerican06241905-498a

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Eye-Strain and How It Can be Relieved - pp498 - 499

doi:10.1038/scientificamerican06241905-498b

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Electric Waves and Liquids - p499

doi:10.1038/scientificamerican06241905-499

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Reclamation Work in Southern California - p499

C. J. Blanchard

doi:10.1038/scientificamerican06241905-499a

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Engineering Notes - p499

doi:10.1038/scientificamerican06241905-499b

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The Development of a Mollusk - p500

doi:10.1038/scientificamerican06241905-500

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The Gillespie Aeroplane - p501

Charles B. Hayward

doi:10.1038/scientificamerican06241905-501

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The United States Naval Observatory Eclipse Expedition - pp503 - 504

C. H. Claudy

doi:10.1038/scientificamerican06241905-503

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New Type of Electric Truck - pp505 - 506

doi:10.1038/scientificamerican06241905-505

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Business and Personal Wants - p507

doi:10.1038/scientificamerican06241905-507a

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The Production of Automobiles on a Lapge Scale - pp508 - 509

doi:10.1038/scientificamerican06241905-508

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