Historical contribution
What Gray contributed
Bell worked within harmonic-telegraph research, with Thomas Watson, Gardiner Hubbard and others, while Elisha Gray and additional experimenters pursued related approaches. The dossier therefore distinguishes patent priority, intelligible speech, commercial organisation and network growth.
Why it mattered
Carries natural speech with immediate feedback across distance.
Connected topics
Where this fits in ITEM
Evidence
Sources and further reading
- Mr. Watson, Come Here and Bell notebook:
Library of Congress
- Who is credited with inventing the telephone?:
Library of Congress