Disambiguation evidence for Stephenson valve gear is usually located between locomotive frames via surface form
"Stephenson valve gear is usually located between locomotive frames"
Triples (1)
Triples where some other subject referred to this entity
as "Stephenson valve gear is usually located between locomotive frames".
Walschaerts
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distinctionFrom
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"Stephenson valve gear is usually located between locomotive frames"
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surface form:
Walschaerts valve gear