An overview of American inventors, mostly from the 19th-Century (with the exception of Benjamin Frankin in the 18th- and the later works of Alexander Graham Bell and Thomas Edison in the 20th-.) Includes explanations of many of what the author considers their most important inventions, how they work, and what influence the inventions, as well as the inventors had.
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Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.