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1 gen 1923 anni - The radio was first used by Haaren High School in New York City in the classroom for teaching.

Descrizione:

By Duncan Rawlinson (Flickr.com - image description page) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons

Aggiunto al nastro di tempo:

A Brief History of Educational Technology

18 set 2017

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831

Data:

1 gen 1923 anni

Adesso

~ 102 years ago

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