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.How to Install Electric Bells, Annunciators, and Alarms. by Norman H. SchneiderAuthor: Schneider, Norman H. (Norman Hugh),Language: English, Class: TK: Technology: Electrical, Electronics and Nuclear engineering, Release Date: Jun 25, 2018