File:Signal bridge - Discs & semaphores 1909.jpg
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Signal_bridge_-_Discs_&_semaphores_1909.jpg (386 × 438 pixels, file size: 128 KB, MIME type: image/jpeg)
Signal_bridge_-_Discs_&_semaphores_1909.jpg (386 × 438 pixels, file size: 128 KB, MIME type: image/jpeg)
DescriptionSignal bridge - Discs & semaphores 1909.jpg |
English: View of disc-style and semaphore railroad signals. The disc signals are "Home" signals (for the immediate block ahead) and the semaphores are "approach" or "distant" signals (for the next block). |
Date | |
Source | "The ABC of Railroad Signaling." p. 29. (Chicago: Mackenzie-Klink Publishing Co.) |
Author | W.H. Elliott, New York Central and Hudson River Railroad. |
Public domainPublic domainfalsefalse |
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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current | 20:51, 8 October 2011 | 386 × 438 (128 KB) | Caseyjonz (talk | contribs) | == Summary == {{Information |Description={{en|1=View of disc-style and semaphore railroad signals. The disc signals are "Home" signals (for the immediate block ahead) and the semaphores are "approach" or "distant" signals (for the next block).}} |Source=[ |
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