American Telephone and Telegraph Company.

The Bell System technical journal (Volume 11) online

. (page 1 of 54)
Online LibraryAmerican Telephone and Telegraph CompanyThe Bell System technical journal (Volume 11) → online text (page 1 of 54)
Font size
QR-code for this ebook


'■7.»4'>4 '-'""V

r«riodical !^



Kattsaa (Ettg




This Volume is for
REFERENCE USE ONLY



[!ai^Eiias7^ty;g?nyirs£g2ga^iM^}s:^!^^^




From the collection of the



^ m



Prejinger
^ Uibrary
t P



San Francisco, California
2008



VOLUME XI JANUARY, I93t2'. .". NUMBER 1



?pf*r



THE BELL SYSTEM

TECHNICAL JOURNAL

DEVOTED TO THE SCIENTIHC AND ENGINEERING ASPECTS
OF ELECTRICAL COMMUNICATION

The Cathode Ray Oscillograph — 7. B. Johnson ... 1

The Operation of Vacutun Tubes as Class B and Class

C Amplifiers— C. E. Fay 28

The Time Factor in Telephone Transmission —

O. B, Blackwell 53

Constant Frequency Oscillators — F. B, Llewellyn . . 67

Some Physical Properties of Wiping Solders —

D. A. McLean, R. L. Peek, Jr., and E. E. Schumacher 101

Regeneration Theory — H. Nyquist 126

Contemporary Advances in Physics, XXni — Data and

Nature of Cosmic Rays — Karl K. Darrow . . o 148

Abstracts of Technical Papers 185

Contributors to this Issue 195



AMERICAN TELEPHONE AND TELEGRAPH COMPANY

NEW YORK



50c per Copy $1.50 per Year



THE BELL SYSTEM TECHNICAL JOURNAL

Published quarterly by the

American Telephone and Telegraph Company

195 Broadway, New York, N. Y.



imiuumiimiiniiiiinHitimin



EDITORIAL BOARD

Bancroft Gherardi F. B. Jewett

H. P. Charlesworth W. H. Harrison E. H. Colpitts

L. F. Morehouse H. D. Arnold O. B. Blackwell

Philander Norton, Editor J. O. Perrine, Associate Editor



nnnmiuiiaiiiniiimimiiiuia



SUBSCRIPTIONS

Subscriptions are accepted at $1.50 per year. Single copies are fifty cents each.
The foreign postage is 35 cents per year or 9 cents per copy.



iiiiiiiiiiiiuiuiiiiiiiiiiuiiiiiuini



Copyright, 1932



PRINTED IN U. S. Ai



THE BELL SYSTEM

TECHNICAL JOURNAL



A JOURNAL DEVOTED TO THE

SCIENTIFIC AND ENGINEERING

ASPECTS OF ELECTRICAL

COMMUNICATION



EDITORIAL BOARD



Bancroft Gherardi H. P. Charlesworth F. B. Jewett

L. F. Morehouse O. B. Blackwell H. D. Arnold

W. H. Harrison D. Levinger H. S. Osborne

Philander Norton, Editor J. O. Perrine, Associate Editor



TABLE OF CONTENTS

. AND

INDEX

VOLUME XI
1932



AMERICAN TELEPHONE AND TELEGRAPH COMPANY

NEW YORK



PRINTED IN U. S. A.






770454



THE BELL SYSTEM

TECHNICAL JOURNAL

VOLUME XI, 1932
Table of Contents

JAINTUARY, 1932

The Cathode Ray Oscillograph — /. B. Johnson 1

The Operation of Vacuum Tubes as Class B and Class C Ampli-
fiers — C. E. Fay 28

The Time Factor in Telephone Transmission — O. B. Blackivell ... 53

Constant Frequency Oscillators — F. B. Llewellyn 67

Some Physical Properties of Wiping Solders —

D. A. McLean, R. L. Peck, Jr., and E. E. Schumacher 101

Regeneration Theory — H. Nyquist 126

Contemporary Advances in Physics, XXIIT — Data and Nature of

Cosmic Rays — Karl K. Darroxv 143

April, 1932

A New Key West-Havana Carrier Telephone Cable —

H. A. Affel, W. S. Gorton and R. IV. Chesnut 197
Cellulose Acetate Treatment for Textile Insulation — Engineering

Development — E. B. Wood and D. R. Brob.



Online LibraryAmerican Telephone and Telegraph CompanyThe Bell System technical journal (Volume 11) → online text (page 1 of 54)