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20 ene 1923 año - Spirit Duplicator (A.K.A Ditto Machine/ Banda Machine) was invented

Descripción:

A method invented by Wilhelm Ritzerfeld that was used throughout most of the 20th century. A Spirit Duplicator uses alcohol (hence the name 'Spirit' Duplicator) in the solvent that is used as 'ink' in this machine.

Añadido al timeline:

16 oct 2017
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fecha:

20 ene 1923 año
Ahora mismo
~ 102 years ago