Point zero malayalam science channel
チャンネル登録者数 1760人
360 回視聴 ・ 30いいね ・ 2021/07/19
The phonograph is a device for the mechanical recording and reproduction of sound. It was the most common device for playing recorded music from the 1870s through the 1980s. It was invented by Thomas Edison, after other inventors had studied the idea.
Point Zero Malayalam Science Channel
Malayalam science channel
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