Lower Quadrant Stop Semaphore Signals seen from a steam train

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Size: 2393px × 3589px
Photo credit: © patrick nairne / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: alarm, alert, britain, british, communication, england, english, indicator, rail, railroad, railway, safety, semaphore, signal, signalling, signals, steam, track, train, transport, uk