A Catalogue of the Devices and Their Parts

The UNION ELECTRIC BANNER, TARGET AND Disc SIGNALS are widely distributed, and are in common use, not only as automatic block signals, but as a protection for isolated switches, junctions, tunnels, drawbridges, sharp curves, and for many other purposes.

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Table of Contents:

COVER

PREFACE

PART I - MECHANICAL INTERLOCKING AND SIGNALING DEVICES

CONTENT PART I

PART II - ELECTRIC AND ELECTRO-PNEUMATIC DEVICES

CONTENT PART II

PART III - SWITCH STANDS, SWITCHES AND FROGS

ALPHABETICAL INDEX