2016
SH5738 : Banner signal at Porthmadog Harbour station
taken 8 years ago, near to Porthmadog, Gwynedd, Wales
Banner signal at Porthmadog Harbour station
The banner signal was invented by W R Sykes & Co around 1900 as electrical operation of signalling was beginning to become a practicality.
The "arm" of the signal rotated on an opaque disc in an enclosed glass case, allowing lightweight operation in a clean environment.
W R Sykes Interlocking Signal Co was established by William Robert Sykes (c1840-1917) in 1862 and in 1899 incorporated as a limited company. It became a Public company in 1907.
W R Sykes was the inventor of the lock-and-block system of railway signalling.
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