Design and construction; installation; train operation; systems of signaling in service; automatic block-signal system; automatic interlockings; train operation by signal indication; remote control; centralized traffic control; car retarders; highway grade-crossing protection; summary of economic results; etc.
American railway signaling principles and practices -- Chapter III. Principles and economic phase of signaling
Am Ry Assn -- Signal Sec
1934
78 pages
Article (Journal)
English
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American railway signaling principles and practices. Chapter XIV -- Definitions
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American railway signaling principles and practices: Chapter XX -- Interlocking circuits
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American railway signaling principles and practices. Chapter XX -- Interlocking circuits
Engineering Index Backfile | 1933
American railway signaling principles and practices
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