Who made the telephone?
Who is Alexander Graham Bell
What waves were needed to here from the the telephone
what are sound waves
By 1990 about how many telephones were in the U.S?
What is 600,000
What year did Bell get the patent for the telephone?
When is 1876
What do the electrical signals need to go through to hear your voice through the phone?
What is a transmitter
What date was the telephone made on?
What is March 10, 1876
When did Antonio Meucci make the first basic telephone?
When is 1849
The electrical signals need to do what to the wire for the receiver to hear through the phone
What is traveling over
Who did Bell call on the day the telephone was made?
Who is Thomas A. Watson
What month did Bell make the telephone?
When is march
What Transmitter do the voice vibrations need to go through?
What is a liquid transmitter
What did Bell Say to Thomas Watson when he called him?
What is Watson come here I want to see you
Who made the first basic telephone?
Who is Antonio Meucci
What is a transmitter?
What is a microphone
Why was the telephone created?
What is communication