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    Features

    Wrought Iron Tube for Cable Railways

    The State of Manufacturing

    Softening and Hardening Cast Iron

    Porcelain Headed Nails

    Stove Pipe Connection

    Folding Egg Case

    Electric Door Keepers

    Canal Boat

    Cut-Off Valve Gear

    Photographing a Flash of Lightning

    Device for Holding and Guiding the Fingers in Writing

    Improved Steam Hammer

    The Isatis, or Arctic Fox

    A Whalebone Arch

    Watch Maker's Hand Vise and Ring Bender

    Cuff Holder

    Miscellaneous Inventions - June 7, 1884

    Mechanical Inventions - June 7, 1884

    Engineering Inventions - June 7, 1884

    Departments

    • Letters

      Correspondence - June 7, 1884

    • Recommended

      New Books and Publications - June 7, 1884

    • Departments

      Business and Personal - June 7, 1884

    • Notes and Queries - June 7, 1884

    • Index of Inventions - June 7, 1884

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    June 07, 1884