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.Acids, Alkalis and Salts by George Henry Joseph AdlamAuthor: Adlam, George Henry Joseph, 1876-1946,Language: English, Class: TP: Technology: Chemical technology, Release Date: Nov 26, 2015