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    Improved Rebolting Machine

    The Combination Foot Lathe

    A Chance for Inventors

    The Light of Coming Days

    A City Built by One Man

    Fire Damp Explosions Produced by Sound

    Proceedings of the American Association for the Advancement of Sciemce

    A Portable Railway

    Fabric Printing Machine

    Scientific and Practical Information - August 29, 1874

    Specific Heat

    By Richard H Buel.

    Practical Mechanism - August 29, 1874

    Number VII.

    By Joshua Rose.

    Improved Hand Crank Drill

    The Blackstone and Elmer Water Wheel

    Bouquets From Field and Garden

    A New Scientific Museum

    Recent American and Foreign Patents - August 29, 1874

    Decisions of the Courts - August 29, 1874

    Answers to Correspondents - August 29, 1874

    Canadian Patents - August 29, 1874

    Communications Received - August 29, 1874

    Departments

    • Letters

      Correspondence - August 29, 1874

    • Recommended

      New Books and Publications - August 29, 1874

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      Business and Personal - August 29, 1874

    • Index of Inventions - August 29, 1874

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    August 29, 1874

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