印刷术的诞生

Gutenberg invented printing, the most consequential invention of the Middle Ages. The technical adventure of Gutenberg is very impressive. The printing press, the paper, the ink... . He manages to assemble all of these items, and to actually print books. Gutenberg tries a new form of layout and introduces a number of other innovations. The visual quality of his printing yields ... 更多精彩影视内容尽在manjiudeng.com，免费无广告极速播放 manjiudeng.com为您推荐最新热播电视剧、高清电影在线观看