CONTENTS

Title Page

Preface

The Telegraph

The Electric Current

Instruments

Adjustment of Instruments

The Gravity Battery

Switchboards

Transmitting or Sending

Beginning Exercises

Circuit Regulations

Abbreviations

Definitions

Teaching Telegraphy

Controlling Trains by Telegraph Block Signals

Railroad Telegrams

Duties of Railroad Employees

Standard Railway Rules

Forms of Train Orders

Train Orders

Diagrams of Hand, Flag and Lamp Signals

Standard Code of Block Signal Rules

Interlocking Rules

Examination Questions on Book of Rules for Operators

Block Rules and Miscellaneous Questions

The Commercial Telegraph

Acceptance of Messages for Transmission

Transmitting and Receiving Messages

Delivery of Messages

Miscellaneous

Press Dispatches

Government Messages

Cable Rules

Commercial Telegrams

Examples

Press Message

Press Special

Cable Message

Appendices

Index

The Telegraph Instructor was scanned and converted to HTML by Les Kerr in 2024. Some minor editing was done during the transcription process. The final section of the book, covering commercial telegraphy, has not yet been transcribed.

If you notice any transcription errors or formatting problems, please contact Les Kerr at the address given at http://morsekob.org.