The Teletone is a toy phone that proves to us as the sound wave is transmitted through a wire. Speaking our voice rope travels, making vibrate thea membrane that is in the receiving apparatus. The receiver becomes emitter doing the same membrane vibrate when we speaking
Our toy is bearing a string of no less than four meters, so to put tense and even speaking softly, the message can be perfectly audible on the other side
This toy was very popular in the middle of the last century, and our is a reproduction of one acquired in an antique shop, called precisely Teletone.
Height: 10.5 cm
Diameter: 7.5 cm