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Cree signal box and signal
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A forest of wires!
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Explaining track circuits
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Track circuit demo
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signal arm repeater
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How a repeating arm works
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Points detection mechanism
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Explaining points detection
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A complicated signalling mechanism
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wires, pulleys and weights under the main floor
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wires & pully wheels
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What's in the lower story of a signal box
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LNWR caution sign
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Exeter West signal box name plate
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Evie admiring Exeter West signal box
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Crewe Station A signal box
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signal boxes
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Signal lever panel
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Signal lever panel
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Signal box indication panel
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Signal box indication panel
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Signal box indication panel
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Control room panoramic
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Signal box indication panel
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Control room sign
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Shackerstone signal box
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At Shackerstone station
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Shackerstone signal box (B&W)
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Shackerstone signal box (B&W)
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Coming into Shackerstone station (B&W)
