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  • Departments

    Capped Projectiles and Panic Legislation

  • Electricity in the Field of Transportation--A Forecast

  • A National Need

  • The Methods Employed by the Assay Commission

  • A Speedy Business Transaction with China

  • Great Submarine Blast in San Francisco Bay

  • The New Russian Battleship "Petropavlovsk"

  • Death Valley, California

  • A New Curtain-Hanger

  • A Sterilizer for Razors and Surgical Instruments

  • Manufacture of Guns and Armor at the Bethlehem Steel Works

  • Proposed National Memorial Bridge across the Potomac at Washington

  • Alexandre III. Memorial Bridge, Paris

  • Aerial Photography

  • A Pair of Curious Relics at Aberfoyle, Scotland

  • Gold Deposits and Mining Methods at Cape Nome

  • Recently Patented Inventions - May 19, 1900

  • Business and Personal - May 19, 1900

  • Notes and Queries - May 19, 1900

  • Index of Inventions - May 19, 1900

  • To Inventors - May 19, 1900

  • Patents - May 19, 1900

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