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  • Audiobook

    Inventions in the Century (Unabridged)

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    Unabridged

    15 hours 20 min

    The author was an Expert and Patent Solicitor, Ex-Examiner in the Patent Office and Assistant Commissioner of Patents at Washington, Writer of Inventions, etc. He put together this collection to illustrate a period of remarkable advances in technology across the board. ... Read more

    $4.99 USD