Project Gutenberg was the first provider of free electronic books, or eBooks. Michael Hart, founder of Project Gutenberg, invented eBooks in 1971 and his memory continues to inspire the creation of eBooks and related technologies today.Gas and Oil Engines, Simply Explained by Walter C. RuncimanAuthor: Runciman, Walter C.,Language: English, Class: TJ: Technology: Mechanical engineering and machinery, Release Date: Nov 17, 2008