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:
fecha:
20 ene 1923 año
Ahora mismo
~ 102 years ago