invention

  1. Project Gutenberg

    Free e-book Sketch of the Analytical Engine invented by Charles Babbage, Esq. by Luigi Federico Menabrea

    Get a free copy of this e-book here: https://www.gutenberg.org/ebooks/75107 Language: English Read more...
  2. Project Gutenberg

    Free e-book Tom Swift and His Electric Locomotive; Or, Two Miles a Minute on the Rails by Victor Appleton

    Get a free copy of this e-book here: https://www.gutenberg.org/ebooks/1364 Language: English Read more...
  3. Project Gutenberg

    Free e-book Tom Swift and His Giant Cannon; Or, The Longest Shots on Record by Victor Appleton

    Get a free copy of this e-book here: https://www.gutenberg.org/ebooks/1361 Language: English Read more...
  4. Project Gutenberg

    Free e-book A Catechism of the Steam Engine by C. E. John Bourne

    Get a free copy of this e-book here: https://www.gutenberg.org/ebooks/10998 Language: English Read more...
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