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1 ene 1960 año - 1960 Voice recording as evidence

Descripción:

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

Añadido al timeline:

Forensics Time line project part one

28 nov 2018

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301

fecha:

1 ene 1960 año

Ahora mismo

~ 65 years ago

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