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.Nouveau moyen de préparer la couche sensible des plaques destinées à recevoirAuthor: Daguerre, Louis Jacques Mandé, 1787-1851,Language: French, Class: TR: Technology: Photography, Release Date: Jul 11, 2005