Telephone Alexander Bell’s •Alexander Bell •in 1875 in

Telephone Alexander Bell's

•Alexander Bell •in 1875 in USA

Telephone Bell's was used for reception and transmission human speech.

Interesting facts • the call is made a whistle • actoins distance of not more than 500 meters • the first telephone conversation took place June 10, 1876

The telephone didn't have a call. Later a call was invented by Thomas Watson