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1 janv. 1960 - 1960 Voice recording as evidence

Description:

A sound spectrograph discovered to be able to record voices, and is used in a criminal investigation

Ajouté au bande de temps:

Forensics Time line project part one

28 nov. 2018

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Date:

1 janv. 1960

Maintenaint

~ Il y a 65 ans

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