- 图书介绍
- 读者评价
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.The Evolution of Photography by active 1854-1890 John WergeAuthor: Werge, John, active 1854-1890,Language: English, Class: TR: Technology: Photography, Release Date: Feb 13, 2012

《The Path of Life》
《The Colors of Space》
《U.S. Patent 4,293,314: Gelled Fuel-Air Explosive》
《Artificial and Natural Flight》
总体评价
您的评分: 分
共有 0 条评论