<a href="https://en.wikipedia.org/wiki/en:LNER_Class_A4_4468_Mallard" class="extiw" title="w:en:LNER Class A4 4468 Mallard">This locomotive</a> set the steam-powered rail speed record in 1938, which still stands.
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<p><a rel="nofollow" class="external text" href="https://www.flickr.com/photos/cpirate/2192086083/">The Mallard</a>
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