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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


  • 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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