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began to commend the new system in its
Railway Accident Reports and so it was gradually adopted by other British Railways. In 1882 the system was first installed in the USA where it was known as the ‘controlled manual blocking system.’ The system was also used in Russia and Japan.
50:(LCDR) under the telegraph superintendent, Mr Ruddall. He became interested in railway safety and by 1865 he had introduced three significant advances in this field. These were: an electrical
54:, showing the position of signals out of sight of the signalman; an automatic recording device showing what block signals had been sent and received, and a short length of track circuiting at
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Born in London in April 1840, Sykes obtained a job with the
Electric and International Telegraph Company in the Strand, at the age of 14. He was interested in clocks, and his knowledge of
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the signals and points of three successive LCDR signal boxes in outer London. This proved to be a success and resulted in his patented system known as ‘lock and block’. From 1875 the
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26:, known for his work in railway signalling and other safety devices. He is noted for the invention of the Sykes ‘Lock and block’
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in 1899, Sykes retired from the railway and formed the W.R. Sykes
Interlocking Signal Company. The company became part of the
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This article about an engineer, inventor or industrial designer from the United
Kingdom or its predecessor states is a
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Sykes also devised an electro-mechanical method of working points and signals which was tried out at Penge tunnel.
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automatically turned signals to red as they passed them.
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42:became blended with his knowledge of the
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