This site uses third-party website tracking technologies to provide and continually improve our services, and to display advertisements according to users' interests. I agree and may revoke or change my consent at any time with effect for the future.
: ·H Gesellschaft für drahtlose Telegraphie :b m
System Telefunken
entstanden aus den funkentelegraphischen Abteilungen der Allgemeinen Elektrizitäts-Gesellschaft (System Slaby - Arco) und Siemen