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About: Signal boxes that are listed buildings in England     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatSignalBoxesyago:Artifact100021939yago:Building102913152yago:Object100002684yago:PhysicalEntity100001930yago:YagoGeoEntityyago:YagoPermanentlyLocatedEntityyago:SignalBox104217546yago:Structure104341686yago:Whole100003553 New Facet based on Instances of this Class

A number of signal boxes in England are on the Statutory List of Buildings of Special Architectural or Historic Interest. Signal boxes house the signalman and equipment that control the railway points and signals. Originally railway signals were controlled from a hut on a platform at junctions. In the 1850s a raised building with a glazed upper storey containing levers controlling points and signals was developed after John Saxby obtained a patent in 1856 for a mechanical system of interlocking the points and signals. Over half of the signalboxes before 1923 were built by private signalling contractors, the largest being Saxby & Farmer; Stevens & Sons, McKenzie & Holland, the Railway Signal Co., Dutton & Co and Evans, O’Donnell & Co were others. Some railway companies had a standard signal