There is no record of how many attempts or experiments made. It is safe to assume there were several
Alexander Graham Bell invented the Graham Phone.
Alexander Graham Bell is the inventor of the phone.
Alexander Graham Bell.
Alexander Graham Bell
Alexander Graham Bell
Alexander Graham Bell suggested using the word "hello" when answering the phone.
what is something important did Alexander graham bell said
Apple
Alexander graham bell
Alexander Graham Bell
Alexander Graham Bell
no he did not