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24 Mai 1938 Jahr - Electrotographic

Beschreibung:

A light exposure is put up onto a positively charged plate and a negatively charged powder allowing the first printing method that didn’t involve a solvent or ink to be used. This process is often referred to now as Xerox.

Zugefügt zum Band der Zeit:

Datum:

24 Mai 1938 Jahr
Jetzt
~ 87 years ago