Image: Heroic Age of American Invention
Heroic_Age_of_American_Invention.jpg (260 × 389 pixels, file size: 48 KB, MIME type: image/jpeg)
Description: This is the front cover art for the book The Heroic Age of American Invention written by L. Sprague de Camp. The book cover art copyright is believed to belong to the publisher, Doubleday, or the cover artist, Robert Flynn.
Title: Heroic Age of American Invention
Credit: It is believed that the cover art can or could be obtained from Doubleday.
Usage Terms: Fair use of copyrighted material in the context of The Heroic Age of American Invention
License: Fair use
License Link: //en.wikipedia.org/wiki/File:Heroic_Age_of_American_Invention.jpg
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