| 11. | Compressed air equipment and narrow gauge locomotives were used inside the tunnel.
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| 12. | A steam loco shed at Bankura served the narrow gauge line.
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| 13. | In 1973 the narrow gauge engines were reclassified to Class 199.
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| 14. | The C & S narrow gauge was now part of history.
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| 15. | The narrow gauge line was retained north from Peterborough to Quorn.
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| 16. | A remaining narrow gauge section to Hefel was closed in 1918.
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| 17. | With production increasing a narrow gauge railway was opened around 1900.
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| 18. | The railway station is situated at the narrow gauge railway Roslagsbanan.
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| 19. | The standard gauge train was switched onto the narrow gauge track.
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| 20. | The Railway was narrowed to narrow gauge and routed to colliers.
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