An edition of Operation of Railroads: Maintenance of Signals
(1945)
Operation of Railroads: Maintenance of Signals
by United States War Department
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Last edited by Tom Morris
December 20, 2017 | History
TM 55-277
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Book Details
Table of Contents
CONTENTS
CHAPTER 1. GENERAL. Paragraph Page
Section I.
Purpose and scope.
Purpose 1 1
Scope 2 1
II. Railroad signaling.
General 3 1
Power supply for signaling systems 4 3
Pole lines for signal circuits 5 4
Theaters of operations 6 4
III. Definitions.
Signal Terms 7 5
IV. Duties of personnel.
Signals and communications engineer 8 11
Railway signal maintenance superintendent 9 12
Signal maintenance supervisor 10 12
Signal mechanics, railway 11 12
CHAPTER 2.
SIGNAL MAINTENANCE RULES.
Section I.
General rules 14
II. Automatic block signals 16
III. Interlocking 21
IV. Track circuits 29
V. Pole lines and power supply 32
VI. Inspections and tests, all signaling systems 33
VII.
Interlocking tests 36
VIII. Inspections and tests, signal transmission lines 38
INDEX TO RULES 42
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| December 20, 2017 | Edited by Tom Morris | merge authors |
| December 13, 2015 | Edited by ww2archive | added book |
| December 13, 2015 | Created by ww2archive | Added new book. |