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Inventions in the Century - Free Audiobook
Language: English
Author(s): William Henry Doolittle,
Genre(s): Technology & Engineering,
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[1/32] INTRODUCTORY—INVENTIONS AND DISCOVERIES—THEIR DEVELOPMENT.
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About
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. - Summary by LynneT