50 Jahre Fernsprechen in Deutschland
50 Jahre Fernsprechen in Deutschland
Guarda 50 Jahre Fernsprechen in Deutschland online su StreamingCommunity. 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.
- Genere: Documentario
- Nazione: Germany
- Direttore:
- Cast:
