Printing press

Period

c. 1450

Region

Europe

Category

Science

A printing press is a machine that applies pressure to transfer ink onto a surface made of paper, cloth, or a similar material. Its workers are known as printing press operators. It marked a significant improvement on earlier methods, in which the paper was rubbed by hand to transfer applied ink to the printing surface.

Sources: Wikipedia — Printing press · CC BY-SA 4.0