Books about Inventions
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Inventors & Inventions
Henry Robinson
350 downloads
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O odkryciach i wynalazkach
(Polish)
Bolesław Prus
334 downloads
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Secrets of Wise Men, Chemists and Great Physicians
Wm. K. David
314 downloads
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The Art of Inventing
Edwin J. Prindle
309 downloads
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The Romance of War Inventions
Thomas W. Corbin
305 downloads
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Discoveries and Inventions: A lecture by Abraham Lincoln delivered in 1860
Abraham Lincoln
275 downloads
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Learn to Invent, First Steps for Beginners Young and Old
Samuel Evans Clark
240 downloads
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