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1 janv. 1898 - 1898 Valdemar Poulsen invents magnetic recordings using magnetized steel tape as a recording medium. This helps lead to audio recordings.

Ajouté au bande de temps:

TV PRODUCTION

ByJoeShmo1
27 sept. 2017

Date:

1 janv. 1898
Maintenaint
~ Il y a 126 ans

Les images:

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