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10 sett 1838 anni - Electrotyping (also galvanoplasty) is a chemical method for forming metal parts that exactly reproduce a model. The method was invented by Moritz von Jacobi in Russia in 1838, and was immediately adopted for applications in printing and several other fields

Aggiunto al nastro di tempo:

16 ott 2017
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0
640

Data:

10 sett 1838 anni
Adesso
~ 187 years ago

Immagini: