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.Elements of the Theory and Practice of Chymistry, 5th ed. by Pierre Joseph MacquerAuthor: Macquer, Pierre Joseph, 1718-1784,Language: English, Class: QD: Science: Chemistry, Release Date: Sep 29, 2014