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1 gen 1960 anni - 1960 Voice recording as evidence

Descrizione:

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

Aggiunto al nastro di tempo:

Forensics Time line project part one

28 nov 2018

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301

Data:

1 gen 1960 anni

Adesso

~ 65 years ago

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