『Inventions of the Century』のカバーアート

Inventions of the Century

Inventions of the Century

著者: William Henry Doolittle
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概要

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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
世界 社会科学
エピソード
  • WOOD-WORKING.
    2023/12/13
    28 分
  • HYDRAULICS.
    2023/12/13
    35 分
  • METALLURGY.
    2023/12/13
    37 分
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