Fernkabeltelephonie
Subtitle: ihre theoretischen Grundlagen in gemeinverständlicher Darstellung
By: von Dr.-Ing. A. Engelhardt
Publisher: A. Tetzlaff
Published: 1927
Place of publication: Berlin-Schöneberg
Language: ger
Number of pages: 280
Subjects: Telephone, Long-distance; Telephone cables
Notes: Contains bibliographies.