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Underground telephone cable from Stockholm to Gothenburg in Sweden
This cable replaces old underground lines in conjunction with electrification of railroad between same points; telephone is largely protected by return wire and booster transformers, but there is no absolute assurance against induction of high voltages in exceptional cases; for this reason construction of cable is somewhat different from that of ordinary telephone cables; describes construction of cable and results of tests.
Underground telephone cable from Stockholm to Gothenburg in Sweden
This cable replaces old underground lines in conjunction with electrification of railroad between same points; telephone is largely protected by return wire and booster transformers, but there is no absolute assurance against induction of high voltages in exceptional cases; for this reason construction of cable is somewhat different from that of ordinary telephone cables; describes construction of cable and results of tests.
Underground telephone cable from Stockholm to Gothenburg in Sweden
Statens jarnvagars nya telefonkabel Stockholm-Goteborg
Andersson, A.M. (author)
1925
5 pages
10 Figs.
Article (Journal)
Swedish
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