• DocumentCode
    1405402
  • Title

    Telephone toll cable extended

  • Author

    Calderwood, E. M. ; Smith, D. F.

  • Author_Institution
    Pac. Tel. & Tel. Co., San Francisco
  • Volume
    50
  • Issue
    9
  • fYear
    1931
  • Firstpage
    736
  • Lastpage
    741
  • Abstract
    Completion of the longest telephone toll cable west of the Mississippi gives San Francisco and Los Angeles a 275-circuit all-cable communication channel, the equivalent of three of the latest-type 60-wire open leads completely equipped with carrier systems. The project cost ten million dollars, involved some heavy construction problems, and provided an important step toward an ultimate all-cable transcontinental system.
  • Keywords
    Cable shielding; Coils; Communication cables; Loading; Power cables; Repeaters; Wires;
  • fLanguage
    English
  • Journal_Title
    Electrical Engineering
  • Publisher
    ieee
  • ISSN
    0095-9197
  • Type

    jour

  • DOI
    10.1109/EE.1931.6429423
  • Filename
    6429423