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    M. Curie's Experiments with Radium Emanations

    Tropical Specialties for Porto Rico

    The Exposition as an Educational Force

    Osmon, a New Combustible from Peat

    Phosphorescent Crystallization of Arsenious Acid

    By A. C. Maury

    The Influence of Milking upon the Quantity and Quality of Milk

    The Locomotive-Testing Plant at the World's Fair

    The St. Louis Correspondent of the Scientific American

    Counterweighted Cable Tramway

    By John Plummer

    A Novel Wave Meter for Wireless Telegraphy

    By Our Berlin Correspondent

    A Handless Clock

    Aeroplane Experiments

    By Major B. Baden-Powell

    Trained Animals at the World's Fair

    By the St. Louis Correspondent of the Scientific American

    The Bee as an Artisan

    Transportation Old and New

    By R. E. Chambers

    Business and Personal Wants

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      Correspondence - August 6, 1904

    • Index of Inventions - August 6, 1904

    • Recently Patented Inventions - August 6, 1904

    • Notes and Queries - August 6, 1904

    • Patents - August 6, 1904

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    August 06, 1904

    See the World from a Different Perspective

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