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.Natuurkunde in de Huiskamer: ongeveer 100 proeven met huishoudelijke voorwerpen.Author: Tit, Tom, 1853-1928,Language: Dutch, Class: QC: Science: Physics, Release Date: Oct 28, 2016