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    Keeping the Health of a City

    The Double-Deck Car for Rapid Transit

    Certain Curious Effects of the Violet Rays

    By James Weir

    Science Notes - October 10, 1903

    Fruit and Nuts as Food

    The Flight of Birds Mechanically Studied

    By Emile Guarini

    The Barney Brick Conveyer

    The Petroleum Districts and Mud-Volcanoes of Java

    By A Bosch

    An Ingenious Sculpturing Machine

    By the London Correspondent of the Scientific American

    The Largest Hydraulic Canal Locks in the World

    By A. W. Fullerton

    A New Aeroplane

    Indian Granaries

    By Charles F. Holder

    Business and Personal Wants

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      Recently Patented Inventions - October 10, 1903

    • Notes and Queries - October 10, 1903

    • Index of Inventions - October 10, 1903

    • New Books, Etc. - October 10, 1903

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    October 10, 1903

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