Books about Inventions (sorted by popularity)
- American Inventions and Inventors William A. Mowry and Arthur May Mowry 44 downloads
- The Life, Times, and Scientific Labours of the Second Marquis of Worcester Henry Dircks 42 downloads
- The Art of Inventing Edwin J. Prindle 40 downloads
- Discoveries and Inventions: A lecture by Abraham Lincoln delivered in 1860 Abraham Lincoln 40 downloads
- Learn to Invent, First Steps for Beginners Young and Old Samuel Evans Clark 39 downloads
- Famous Days in the Century of Invention Gertrude L. Stone and M. Grace Fickett 31 downloads
- Invention and Discovery: Curious Facts and Characteristic Sketches Anonymous 29 downloads