A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Discusses replacing of overhead lines by underground cables, and how difficulties experienced have been met; greater damping and distortion of speech, Kramp cables and pupin coils, inductive interference along electric railways, echo effect, etc.
Discusses replacing of overhead lines by underground cables, and how difficulties experienced have been met; greater damping and distortion of speech, Kramp cables and pupin coils, inductive interference along electric railways, echo effect, etc.
Long-distance telephone technics
Die Technik des Fernsprechens im Weitverkehr
Engelhardt, M. (author)
1925
4 pages
4 Figs.
Article (Journal)
German
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Online Contents | 1995
| Online Contents | 2017
| British Library Online Contents | 2017
New long-distance telephone exchange, Berlin
| Engineering Index Backfile | 1929
| Taylor & Francis Verlag | 2017