Allen Jackson first entered a signal box at the age of six and that fascination has lasted until the present day. He joined the Royal Air Force as an apprentice and worked for some years on Cold War aircraft. He later qualified as a teacher and taught Maths, Physics and Mechanical Engineering Science at an apprentice training school. Later, in industry, he taught bespoke computer systems all over the world. In 2004 he established his own business, supporting UK fire and rescue services' 999 computer systems.
For over 150 years Britain's railways have relied on a system of semaphore signalling, but by 2020, all semaphore signals and lineside signal boxes will be gone. A Contemporary Perspective on GWR Signalling provides a unique record of the last operational mechanical signalling and...
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