Assertion: steam locomotive | /r/CapableOf | record over 100 mph
Facets:
value: in passenger service
type: OTHER
value: officially
type: MANNER
Source sentences:
text: Nigel Gresley designed some of the most famous locomotives, including the Flying Scotsman, the first steam locomotive officially recorded over 100 mph in passenger service, and a LNER Class A4, 4468 Mallard, which still holds the record for being the fastest steam locomotive in the world (126 mph).