24 mayo 1938 año - Electrotographic
Descripción:
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.
Añadido al timeline:
fecha:
24 mayo 1938 año
Ahora mismo
~ 86 years ago