Books about Inventions
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Inventions of the Great War
A. Russell Bond
559 downloads
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Famous days in the century of invention
Gertrude L. Stone and M. Grace Fickett
542 downloads
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Inventors & Inventions
Henry Robinson
507 downloads
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O odkryciach i wynalazkach
(Polish)
Bolesław Prus
475 downloads
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Discoveries and Inventions: A lecture by Abraham Lincoln delivered in 1860
Abraham Lincoln
441 downloads
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The Art of Inventing
Edwin J. Prindle
440 downloads
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Learn to Invent, First Steps for Beginners Young and Old
Samuel Evans Clark
419 downloads