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10 Jan 1870 Jahr - Collotype, or photogelatin printing

Beschreibung:

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

Zugefügt zum Band der Zeit:

16 Okt 2017
0
0
1209

Datum:

10 Jan 1870 Jahr
Jetzt
~ 155 years ago