33
/fr/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
155721
13668
2

1 janv. 1838 - Electrotyping invented by Moritz von Jacobi in Russia. Done by electroplating a thin shell of metal onto a mold, then removing the mold and backing the shell with metal.

Ajouté au bande de temps:

16 oct. 2017
0
0
1122

Date:

1 janv. 1838
Maintenaint
~ Il y a 187 ans

Les images: