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A History of Inventions,Discoveries,and Origins,Volume 1 (of 2)
A New Century of Inventions
Discoveries and Inventions of the Nineteenth Century
Great Inventions and Discoveries
How to Succeed as an Inventor
Inventors at Work,with Chapters on Discovery
Stories of Great Inventors
Submarine Warfare of To-day
The Invention of Printing
The Story of the Invention of Steel Pens
Pagination
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