Bell System Technical Journal

Cover image for Bell System Technical Journal

October 1925

Volume 4, Issue 4

Pages 515–767

Currently known as: Bell Labs Technical Journal

  1. Original Article

    1. Top of page
    2. Original Article
    3. Abstracts
    4. Contributors to this Issue
    1. General Engineering Problems of the Bell System (pages 515–541)

      H. P. Charlesworth

      Article first published online: 29 JUL 2013 | DOI: 10.1002/j.1538-7305.1925.tb03966.x

    2. Engineering Planning for Manufacture (pages 542–560)

      G. A. Pennock

      Article first published online: 29 JUL 2013 | DOI: 10.1002/j.1538-7305.1925.tb03967.x

    3. Irregularities in Loaded Telephone Circuits (pages 561–585)

      George Crisson

      Article first published online: 29 JUL 2013 | DOI: 10.1002/j.1538-7305.1925.tb03968.x

    4. The Sounds of Speech (pages 586–626)

      Irving B. Crandall

      Article first published online: 29 JUL 2013 | DOI: 10.1002/j.1538-7305.1925.tb03969.x

    5. Speech Power and Energy (pages 627–641)

      C. F. Sacia

      Article first published online: 29 JUL 2013 | DOI: 10.1002/j.1538-7305.1925.tb03970.x

    6. Some Contemporary Advances in Physics IX The Atom-Model, Second Part (pages 642–684)

      Karl K. Darrow

      Article first published online: 29 JUL 2013 | DOI: 10.1002/j.1538-7305.1925.tb03971.x

    7. Electric Circuit Theory and the Operational Calculus (pages 685–761)

      John R. Carson

      Article first published online: 29 JUL 2013 | DOI: 10.1002/j.1538-7305.1925.tb03972.x

  2. Abstracts

    1. Top of page
    2. Original Article
    3. Abstracts
    4. Contributors to this Issue
    1. Abstracts of Bell System Technical Papers Not Appearing in this Journal (pages 762–765)

      Article first published online: 29 JUL 2013 | DOI: 10.1002/j.1538-7305.1925.tb03973.x

  3. Contributors to this Issue

    1. Top of page
    2. Original Article
    3. Abstracts
    4. Contributors to this Issue
    1. Contributors to this Issue (pages 766–767)

      Article first published online: 29 JUL 2013 | DOI: 10.1002/j.1538-7305.1925.tb03974.x

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