Sujet

Alexander Graham Bell's telephone patent drawing and the oath signed on March 7, 1876, a critical moment in the development of the telephone and communication technology.

Info+

Photographe : PF-(usna)

Crédit

Photo12/Alamy/PF-(usna)

Notre référence

LMY26T01_D4YAJF

Utilisation

uniquement en France

Model release

Non

Property release

Non

Licence

Droits gérés

Format disponible

5,7Mo (309,2Ko) / 10,2cm x 14,1cm / 1200 x 1666 (300dpi)

Mots clés

alexander graham bell american bells communication technology development drawing filing historical document history innovation invention inventors law march 1876 national archives oath office patent photo telecommunications telephone u.s