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    The Paris Exhibition.--a Sketch in the Park

    Fountain Pens

    The Telephone as a Promoter of Science

    The Sun

    By S. P. Langley

    The Scientific American Export Edition

    Progress of Iron Making

    Letter From Professor Hughes

    Mechanical Puddling in Sweden

    A New Deep Sea Thermometer

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    The Distillation of Coal

    New Cutting and Boring Attachment for Lathes

    New Steam Valve

    The Japanese Building at the Paris Exhibition

    The Rhinoceros Hornbill

    Crooked Journalism

    A Velocipede Feat Extraordinary

    Astronomical notes

    By Berlin H Wright

    Communications Received

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    August 10, 1878

    See the World from a Different Perspective

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