50 Jahre Fernsprechen in Deutschland
50 Jahre Fernsprechen in Deutschland
Voir 50 jahre fernsprechen in deutschland sur FrenchStream. The history of telephony in Germany is depicted through a series of photographs and explanations, showcasing the evolution from early telephones and manual switching systems to automatic systems, cable production, and the development of a comprehensive telephone network, including the introduction of radio technology.
- Genre: Documentaire
- Pays: Germany
- Réalisateur:
- Jeter:
