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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

    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

    • Folding Egg Case

    • 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

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