Telephone (Alexander Graham Bell)
The device that transmits human voice as electrical signals was invented by Bell in 1876.
1 – 12-р анги
Түлхүүр үгс
mozaLink
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The device that transmits human voice as electrical signals was invented by Bell in 1876.
1 – 12-р анги
Түлхүүр үгс
mozaLink
/Веб холбоос