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

Descrizione:

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.

Aggiunto al nastro di tempo:

History of printing

ByDemoye
16 ott 2017
0
0
502

Data:

20 gen 1923 anni
Adesso
~ 102 years ago
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