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Updated: May 20, 2025
From simple timber-rails men soon advanced to planks having a strip of iron nailed on their surface to prevent too rapid tear and wear, but it was not till the year 1767 that cast-iron rails were introduced. In order to prevent the trucks from slipping off the line the rails were cast with an upright flange or guide at one side, and were laid on wooden or stone sleepers.
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