Transactions of the American Institute of Electrical Engineers Vol. XXI

Transactions of the American Institute of Electrical Engineers Vol. XXI

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Table of Contents:

COVER

CONTENTS

THE TELEPHONE SWITCHBOARD

AN AUTOMATIC TELEPHONE OPERATOR

SOME FEATURES OF TELEPHONE TRAFFIC AND THEIR EFFECT 0N SERVICE.

CONCERNING THE TELEPHONE ENGINEER

THE ARCOPHONE

AN ELECTRIC CAR LIGHTING SYSTEM

AN AXLE-LIGHT SYSTEM OF TRAIN LIGHTING

SOME OF THE PROBLEMS OF ELECTRIC TRAIN LIGHTING

A SYSTEM OF ELECTRIC LIGHTING FOR CARS

HIGH-TENSION TRANSMISSION LINES

BURNING OF WOODEN PINS ON HIGH-TENSION TRANSMISSION LINES

RADIOACTIVE SUBSTANCES

AMERICAN INSTITUTE OF ELECTRICAL ENGINEERS

A STUDY OF THE HEYLAND MACHINE AS MOTOR AND GENERATOR

INDEX