Assertion: corliss steam engine | /r/HasAspect | four valves
Facets:
value: for each cylinder
type: TRANSITIVE-OBJECT
value: for steam and exhaust valves
type: PURPOSE
value: at each end
type: LOCATION
Source sentences:
text: Corliss Steam Engine American inventor George Corliss receives a patent for the valve gear that leads to the Corliss steam engine, which has four valves for each cylinder and steam and exhaust valves at each end.