50 Jahre Fernsprechen in Deutschland
HD
0
12 minThe 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.
Country:
DEGenre:
DocumentaryReleased:
1933-07-13Languages:
GermanCompanies:
W. Achsel & Co. Filmproduktion