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jan 21, 1642 - Mezzotint

Description:

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.

Added to timeline:

Date:

jan 21, 1642
Now
~ 383 years ago