miniature semaphore indicator

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British absolute block signalling — The principle of the British absolute block system of railway signalling is to facilitate the safe operation of a railway by preventing more than one train from occupying a defined section of route at the same time. This system is used on double… … Wikipedia
UK railway signalling — The railway signalling systems used across the majority of the United Kingdom rail network use lineside signals to advise the driver of the status of the section of track ahead. Most lineside signals are in colour light form, but a significant… … Wikipedia
British railway signals — Modern British signalling is based on a two, three and four aspect colour light system using non permissive block rules. It is a basic progression of the original semaphore signalling that can still be found on many secondary lines. Colour light… … Wikipedia
Orange Empire Railway Museum — The museum entrance The Orange Empire Railway Museum (OERM, reporting mark OERX[1]), 2201 South A Street, Perris, California, is a railroad museum founded in 1956 at the Pinacate Station as the Orange Empire Trolley Museum … Wikipedia

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