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- Q7739502 subject Q6426949.
- Q7739502 subject Q8306546.
- Q7739502 subject Q8359914.
- Q7739502 subject Q8388797.
- Q7739502 abstract "The Heroic Age of American Invention is a 1961 science book for children by L. Sprague de Camp, published by Doubleday. It was reprinted in 1993 by Barnes & Noble under the title Heroes of American Invention.By "heroic age" the author means the era of American history in which individual initiative and enterprise constituted the primary thread in technical innovation, roughly from the early 19th century until mass production and corporate enterprise outpaced that of the individual around the time of World War I. The story of innovation is told through the biographies and inventions of thirty-two key inventors of the United States' industrial revolution, whom de Camp feels were pivotal in converting the country from an agrarian nation to an industrial one.Some of the inventors spotlighted include Robert L. Stevens, George Westinghouse, Samuel Morse, Samuel Colt, Cyrus McCormick, Alexander Graham Bell, and Thomas Edison.".
- Q7739502 author Q316313.
- Q7739502 mediaType Q193955.
- Q7739502 nonFictionSubject Q131110.
- Q7739502 numberOfPages "290".
- Q7739502 publisher Q1251563.
- Q7739502 wikiPageWikiLink Q1251563.
- Q7739502 wikiPageWikiLink Q131110.
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- Q7739502 wikiPageWikiLink Q193955.
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- Q7739502 wikiPageWikiLink Q316313.
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- Q7739502 wikiPageWikiLink Q361.
- Q7739502 wikiPageWikiLink Q6426949.
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- Q7739502 wikiPageWikiLink Q7433672.
- Q7739502 wikiPageWikiLink Q75698.
- Q7739502 wikiPageWikiLink Q795454.
- Q7739502 wikiPageWikiLink Q8306546.
- Q7739502 wikiPageWikiLink Q8359914.
- Q7739502 wikiPageWikiLink Q8388797.
- Q7739502 wikiPageWikiLink Q8743.
- Q7739502 author Q316313.
- Q7739502 mediaType "Print".
- Q7739502 name "The Heroic Age of American Invention".
- Q7739502 pages "290".
- Q7739502 publisher Q1251563.
- Q7739502 subject Q131110.
- Q7739502 type Book.
- Q7739502 type Book.
- Q7739502 type CreativeWork.
- Q7739502 type Book.
- Q7739502 type Work.
- Q7739502 type WrittenWork.
- Q7739502 type Thing.
- Q7739502 type Q386724.
- Q7739502 type Q571.
- Q7739502 comment "The Heroic Age of American Invention is a 1961 science book for children by L. Sprague de Camp, published by Doubleday.".
- Q7739502 label "The Heroic Age of American Invention".
- Q7739502 name "The Heroic Age of American Invention".