Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Miscellaneous

How was phones made?

1 Answer

The telephone emerged from the making & successive improvements of the electrical telegraph. Spanish polymath & scientist Francisco Salva Campillo constructed an electrochemical telegraph. The 1stworking telegraph was built by the English inventor Francis Ronalds in 1816 & used static electricity.

{{ relativeTimeResolver(1670079027387) }}

LIVE
Points points 11
Rating

Similar Questions
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 2 Answers
Miscellaneous 2 Answers
Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 2 Answers
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 2 Answers
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 2 Answers
Miscellaneous 1 Answer

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE