Operation of Railroads: Maintenance of Signals
Publisher: War Dept. : U.S. G.P.O
Published: 1945
Place of publication: Washington, D.C., USA
Language: eng
Description: TM 55-277
Table of contents: title: CONTENTS; title: CHAPTER 1. GENERAL. Paragraph Page; title: Section I.; title: Purpose and scope.; title: Purpose 1 1; title: Scope 2 1; title: II. Railroad signaling.; title: General 3 1; title: Power supply for signaling systems 4 3; title: Pole lines for signal circuits 5 4; title: Theaters of operations 6 4; title: III. Definitions.; title: Signal Terms 7 5; title: IV. Duties of personnel.; title: Signals and communications engineer 8 11; title: Railway signal maintenance superintendent 9 12; title: Signal maintenance supervisor 10 12; title: Signal mechanics, railway 11 12; title: CHAPTER 2.; title: SIGNAL MAINTENANCE RULES.; title: Section I.; title: General rules 14; title: II. Automatic block signals 16; title: III. Interlocking 21; title: IV. Track circuits  29; title: V. Pole lines and power supply 32; title: VI. Inspections and tests, all signaling systems  33; title: VII.; title: Interlocking tests 36; title: VIII. Inspections and tests, signal transmission lines  38; title: INDEX TO RULES 42