TOKENLESS BLOCK W.R. STANDARD ARRANGEMENTS eg. SALISBURY - EXETER
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Tokenless Block - W.R. Standard Arrangements with "Switching Out" Facilities
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Tokenless Block - W.R. Standard Arrangements Ground Frame with Shut-In Facilities
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Reversible Signalling - One Line (On One Panel) Int. 'B' (Former WR Variant)
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Reversible Signalling - on One Line External Circuits (Former WR Variant)
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Reversible Signalling - One Line (On One Panel) Through Circuits (Former WR Variant)
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Reversible Signalling - One Line (On One Panel) Int. a (Former WR Variant)
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Reversible Signalling - One Line (On One Panel) Panel End (Former WR Variant)
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Reversible Signalling - One Line (Between Two Panels) Int. 'B' (Former WR Variant)
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Reversible Signalling - One Line (Between Two Panels) Through Circuits (Former WR Variant) (1)
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