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    Features

    Naval Tests of Marconi Telegraphy

    Bids for the Proposed Cruisers

    The Mammoth Power Stations of New York City

    Soil Parasites

    Opening of the New York Zoological Park

    Production of Hydrogen with the Aid of Magnesium

    Masses Smaller than Atoms

    Interesting Experiments with Photographic Plates

    Coloring Bromide Prints

    Report of the Bureau of Steam Engineering

    Some French Types of Automobiles

    By C. De Kubicki

    The Pea Louse, a New and Important Economic Species of the Genus Nectarophora

    A Simple Device for Tightening Fence-Wires

    Explorations in Patagonia

    By J. B. Hatcher

    The Parsons Steam Turbine

    A Traction-Wheel of Improved Form

    The "Becklight" Acetylene-Gas Generator

    Departments

    • Letters

      Correspondence - November 18, 1899

    • Recommended

      New Books, Etc. - November 18, 1899

    • Departments

      Business and Personal - November 18, 1899

    • Recently Patented Inventions - November 18, 1899

    • Notes and Queries - November 18, 1899

    • Index of Inventions - November 18, 1899

    • Patents - November 18, 1899

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    November 18, 1899

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