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    Features

    On the Working of Combined Coherers

    The High-Speed Motor-Boat Model

    Raising Carrier Pigeons

    Fleets in the Far East--An English Review of the Position of Russia and Japan

    By Archibald S. Hurd

    Rotary Valve for Sawmills

    Valve for Control of Hydraulic Elevators

    The Adam-Boudin Globular Boat

    The Largest Photograph in the World

    "BY OUR BERLIN CORREHPONDENT."

    Samuel Pierpont Langley

    The Modern Torpedo

    Jupiter and his Surface Currents

    By T. E. R. Phillips

    Russia's Losses in the First Week of the War

    The “Scooter”

    Departments

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      Correspondence - March 5, 1904

    • The Heavens in March - March 5, 1904

    • Business and Personal Wants - March 5, 1904

    • Recently Patented Inventions - March 5, 1904

    • Notes and Queries - March 5, 1904

    • New Books, Etc. - March 5, 1904

    • Index of Inventions - March 5, 1904

    • Patents - March 5, 1904

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    March 05, 1904

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