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    Features

    A Visit to the Great Volcano of Kilauea

    The Military Railroad System of the United States

    Miscellaneous Summary

    Professor Treadwell on Hooped Cannon

    Olmstead's Oil Can

    American Machine Tools

    The Scientific American for the Ensuing Year

    Potatoes in Fat

    Extension of Patents--For Whose Benefit They are Granted

    A Hint for the Holidays

    Aluminum Bronze Bearings

    Classical vs. Scientific Education

    Patent Claims

    Recent English Patents

    Recent American Patents

    Fogle's Oil Cup

    Departments

    • Improved Air Engine, Preservation of the Teeth

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    December 03, 1864

    See the World from a Different Perspective

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