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    Features

    Improved Gear Cutting Attachment For Lathes

    Another Great Fire in Chicago, and the Materials Accumulating for One in New York

    The Inspection and Insurance of Steam Boilers

    Cholera and its Treatment

    Four Hundred and Forty-Four Miles, at Over Forty Miles Per Hour, and Three Stops

    The Locust in Minnesota

    Politics in the Beehive

    Patent Office Justice

    The Mezzana-Corti Bridge Over the River Po

    Rolling Bridge Between St. Servan and St. Malo

    The Degerfors Iron Works, Sweden

    Practical Mechanism - August 1, 1874

    Number V.

    By Joshua Rose

    Improved Sewing Machine Motor - August 1, 1874

    The British International Exhibitions

    The Sundridge Park Conservatory, England

    Decisions of the Courts - August 1, 1874

    Recent American and foreign patents - August 1, 1874

    Hydrophobia-Practical Suggestions For:its Prevention and Cure

    How Shall I Introduce my Invention? - August 1, 1874

    Answers and Corresspondents - August 1, 1874

    Communications Received - August 1, 1874

    Canadian Patents - August 1, 1874

    Departments

    • Letters

      Correspondence - August 1, 1874

    • Departments

      Business and Personal - August 1, 1874

    • Index of Inventions - August 1, 1874

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    August 01, 1874

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