Printing press The German Johannes Gutenberg invented the printing press around 1440. Key to its development was the hand mold, a new molding technique that enabled the rapid creation of large quantities of metal movable type. Printing presses exponentially increased the speed with which book copies could be made, and thus they led to the […]
4. Vatican Secret Archive (Vatican City) – While you are able to request texts to be delivered to you from the archive for browsing, the archives themselves are off limits to everyone except a few people. Loading…