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10 janv. 1870 - Collotype, or photogelatin printing

Description:

photomechanical printing process that gives accurate reproduction because no halftone screen is employed to break the images into dots.

Ajouté au bande de temps:

16 oct. 2017
0
0
1209

Date:

10 janv. 1870
Maintenaint
~ Il y a 155 ans