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| | Tramway Engineering |
 | | Tredgold uses the term tram-road for plateways, where the wagons had plain wheels, but makes it clear that trams are the vehicles, and the rails are called flat or plate rails. |
 | | Gritty plain common-road wheels on plateways soon wore through the chilled surface of the cast iron leading to accelerated wear, and effect that was absent with edge rail, that shed grit. |
 | | Gang was used for a train, and gave the word gangway.] Wood states that Blenkinsop used the cog in 1811, Chapman, at Hetton Colliery, a chain in 1812, Brunton, at Butterley, legs in 1813, and finally Blackett, at Wylam Colliery, established the practicality of adhesion. |
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