Gutenberg's newly devised hand mould made possible the precise and rapid creation of metal movable type in large quantities. Modelled on the design of existing screw presses, a single Renaissance movable-type printing press could produce up to 3,600 pages per workday, compared to forty by hand-printing and a few by hand-copying. In Germany, around 1440, the goldsmith Johannes Gutenberg invented the movable-type printing press, which started the Printing Revolution. Typically used for texts, the invention and global spread of the printing press was one of the most influential events in the second millennium. It marked a dramatic improvement on earlier printing methods in which the cloth, paper or other medium was brushed or rubbed repeatedly to achieve the transfer of ink, and accelerated the process. A printing press is a mechanical device for applying pressure to an inked surface resting upon a print medium (such as paper or cloth), thereby transferring the ink.
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