Inventions of the Century copertina

Inventions of the Century

Inventions of the Century

Di: William Henry Doolittle
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The author, William Henry Doolittle, 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. -Copyright Audiobooks
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