21 ene 1642 año - Mezzotint
Descripción:
The first tonal to produce half-tones without using lines or dot based techniques such as cross-hatching or stippling. It was the achieved by roughening the printing plate with thousands of tiny dots made by a tool could a rocker which would indent the holes using it's small metal teeth.Añadido al timeline:
fecha:
21 ene 1642 año
Ahora mismo
~ 383 years ago